French
Deutsch2019 in paleomalacology
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This list 2019 in paleomalacology is a list of new taxa of ammonites and other fossil cephalopods, as well as fossil gastropods, bivalves and other molluscs that are scheduled to be described during the year 2019, as well as other significant discoveries and events related to molluscan paleontology that are scheduled to occur in the year 2019.
General research
[edit]- Description of an assemblage of conchiferan mollusks from the Cambrian Shackleton Limestone (Antarctica) is published by Claybourn et al. (2019).[1]
- A study on Early Triassic recovery of ammonites and gastropods after the Permian–Triassic extinction event is published by Pietsch et al. (2019).[2]
- A study on the impact of the Cenomanian-Turonian boundary event and other Cretaceous oceanic anoxic events on generic- and species-level molluscan diversity, extinction rates and ecological turnover is published by Freymueller, Moore & Myers (2019).[3]
- A juvenile ammonite specimen assigned to the genus Puzosia and four marine gastropods are reported from the Cretaceous Burmese amber of Myanmar by Yu et al. (2019).[4]
- A study on the timing and nature of recovery of benthic marine ecosystems of Antarctica after the Cretaceous–Paleogene extinction event, as indicated by data from fossils of benthic molluscs, is published by Whittle et al. (2019).[5]
Ammonites
[edit]Research
[edit]
- Dimorphic Indonesian ammonite Macrocephalites keeuwensis is reported from the core of Jara Dome (Kutch district, India) by Jain (2019).[6]
- Description of new fossils of members of the genus Lytohoplites from the Neuquén Basin (Argentina), taxonomic revision of the Lytohoplites species occurring in this basin, and a study on the ontogeny, probable sexual dimorphism and spectrum of intraspecific variability of members of this genus, is published by Vennari & Aguirre-Urreta (2019).[7]
- A study on the intraspecific variation through the ontogeny of the Late Cretaceous ammonite Scaphites whitfieldi from the Western Interior of the United States is published by Klein & Landman (2019).[8]
- A lower jaw of Spathites puercoensis is described from the Turonian Carlile Member of the Mancos Shale (New Mexico, United States) by Landman et al. (2019).[9]
- A study on periodic variations in carbon and oxygen stable isotope profiles from Campanian and Maastrichtian ammonites belonging to the genus Baculites, and on their implications for inferring the life histories of these ammonites, is published by Ellis & Tobin (2019).[10]
- A study on the hydrostatic properties of the orthoconic morphotype of Baculites compressus and on their implications for the knowledge of the mode of life of this animal is published by Peterman et al. (2019).[11]
- A study on the ecology and growth of baculitid and scaphitid ammonites from the Maastrichtian Owl Creek Formation (Mississippi, United States), evaluating whether these taxa may have migrated, is published by Ferguson et al. (2019).[12]
- A study on a sutural anomaly of ammonite specimens known as sutural pseudoinversion is published by Rogov (2019).[13]
- A study on the systematics of Late Cretaceous ammonites from the southeastern San Juan Basin (Sandoval County, New Mexico) and on the stratigraphic framework of their fossils is published by Sealey & Lucas (2019).[14]
- A study on the ontogenetic trajectories of septal spacing between succeeding chambers in Hypophylloceras subramosum and Phyllopachyceras ezoense is published online by Iwasaki, Iwasaki & Wani (2019).[15]
- A study on the intra- and interspecific variation and ontogenetic trajectories of the kossmaticeratid species Maorites densicostatus and Maorites seymourianus is published by Morón-Alfonso (2019).[16]
- A pathological ammonite specimen characterized by a pronounced left-right asymmetry in both ornamentation and suture lines is described from the Toarcian of southern France by Jattiot et al. (2019).[17]
- A study on the morphology and function of hook-like structures found in the body chambers of six specimens of Rhaeboceras halli is published online by Kruta et al. (2019).[18]
New taxa
[edit]| Name | Novelty | Status | Authors | Age | Type locality | Country | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Gen. et sp. nov | Valid | Galácz | A member of the family Perisphinctidae. The type species is A. damianoi. | |||||
| Sp. nov | Valid | Brayard et al. | ||||||
| Sp. nov | Valid | Kennedy & Kaplan | Late Cretaceous (Turonian) | |||||
| Sp. nov | Valid | Raffi & Olivero in Raffi, Olivero & Milanese | Cerro Toro Formation | |||||
| Sp. nov | Valid | Raffi & Olivero in Raffi, Olivero & Milanese | Late Cretaceous (Campanian/Maastrichtian boundary) | |||||
| Sp. nov | Valid | Raffi & Olivero in Raffi, Olivero & Milanese | ||||||
| Gen. et 3 sp. nov | Valid | Korn, Ghaderi & Tabrizi | Genus includes new species A. sanestapanus, A. laterocostatus and A. cristatus. | |||||
| Sp. nov | Valid | Korn & Ghaderi | ||||||
| Sp. nov | Valid | Korn & Ghaderi | ||||||
| Sp. nov | Valid | Vermeulen et al. | ||||||
| Gen. et comb. nov | Valid | Naglik, De Baets & Klug | Dzhaus Beds | A member of Agoniatitida belonging to the family Mimosphinctidae. The type species is "Erbenoceras" khanakasuensis Yatskov (1990). | ||||
| Gen. et sp. nov | Valid | Korn & Price | Genus includes new species B. wunderlichi. | |||||
| Gen. et comb. nov | Valid | Vermeulen et al. | Genus includes "Crioceras" stadtlaenderi Müller (1892). | |||||
| Gen. et sp. nov | Valid | Brayard et al. | Genus includes new species C. slugense. | |||||
| Gen. et comb. et sp. nov | Valid | Meister & Schlögl | A member of Asteroceratinae. The type species is "Coroniceras (Paracoroniceras)" bordoti Guérin-Franiatte (1966); genus also includes new species C. misiki. | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | A member of the family Turrilitidae. | ||||
| Sp. nov | Valid | Brack & Rieber | ||||||
| Gen. et sp. nov | Valid | Meister & Schlögl | An ammonite with an intermediate morphology between Arietitidae and Oxynoticeratidae. Genus includes new species C. janus. | |||||
| Sp. nov | Valid | Kennedy & Lobitzer | A member of the family Desmoceratidae. | |||||
| Sp. nov | Valid | Chandler | ||||||
| Sp. nov | Valid | Work & Mason | ||||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | A member of the family Kossmaticeratidae. | ||||
| Sp. nov | Valid | Meister & Schlögl | Early Jurassic (Sinemurian) | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | |||||
| Sp. nov | Valid | Korn & Price | Late Devonian | |||||
| Sp. nov | Valid | Korn & Price | Central Europe | A gonioclymeniid ammonite. | ||||
| Sp. nov | Valid | Korn & Price | Central Europe | A gonioclymeniid ammonite. | ||||
| Sp. nov | Valid | Kennedy & Lobitzer | Late Cretaceous (Cenomanian) | Odukpani Formation | ||||
| Sp. nov | Valid | Work & Mason | ||||||
| Sp. nov | Valid | Raffi & Olivero in Raffi, Olivero & Milanese | Rabot Formation | |||||
| Sp. nov | Valid | Konovalova & Borissenkov in Borissenkov, Konovalova & Kutygin | Makarovskaya Formation | |||||
| Gen. et comb. nov | Valid | Matamales-Andreu et al. | A new genus for "Baculites" renevieri Ooster (1860). | |||||
| Sp. nov | Valid | Kennedy & Kaplan | Late Cretaceous (Turonian) | A member of the family Diplomoceratidae. | ||||
| Gen. et sp. nov | Valid | Korn & Price | Genus includes new species H. schindewolfi. | |||||
| Sp. nov | Valid | Poulton & Hall | ||||||
| Sp. nov | Valid | Landman et al. | ||||||
| Sp. nov | Valid | Naglik, De Baets & Klug | A member of Agoniatitida belonging to the family Mimosphinctidae. | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | ||||||
| Sp. nov | Valid | Borissenkov & Kutygin in Borissenkov, Konovalova & Kutygin | Olen'ynskaya Formation | |||||
| Sp. nov | Valid | Bockwinkel, Korn & Herd | ||||||
| Sp. nov | Valid | Bockwinkel, Korn & Herd | ||||||
| Gen. et sp. nov | Valid | Naglik, De Baets & Klug | A member of Bactritida belonging to the family Bactritidae. The type species is K. salimovae. | |||||
| Gen. et sp. nov | Valid | Galácz | A possible member of the family Spiroceratidae. The type species is K. enigmaticum. | |||||
| Gen. et comb. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | A member of the subfamily Acanthoceratinae. The type species is "Ammonites" tropicus Stoliczka (1865); genus also includes "Protacanthoceras" imperatoris Wright & Kennedy (1980). | ||||
| Sp. nov | Valid | Dietze & von Hillebrandt | ||||||
| Sp. nov | Valid | Pavia & Fernandez-Lopez | A member of Haploceratoidea belonging to the family Lissoceratidae. | |||||
| Sp. nov | Valid | Pavia & Fernandez-Lopez | A member of Haploceratoidea belonging to the family Lissoceratidae. | |||||
| Sp. nov | Valid | Pavia & Fernandez-Lopez | El Pedregal Formation | A member of Haploceratoidea belonging to the family Lissoceratidae. | ||||
| Sp. nov | Valid | Pavia & Fernandez-Lopez | A member of Haploceratoidea belonging to the family Lissoceratidae. | |||||
| Sp. nov | Valid | Pavia & Fernandez-Lopez | El Pedregal Formation | A member of Haploceratoidea belonging to the family Lissoceratidae. | ||||
| Sp. nov | Valid | Vermeulen et al. | Early Cretaceous (Hauterivian) | A member of the family Crioceratitidae. | ||||
| Sp. nov | Valid | Korn et al. | Probably late early Famennian | A member of the family Sporadoceratidae. | ||||
| Sp. nov | Valid | Korn & Price | Central Europe | A gonioclymeniid ammonite. | ||||
| Gen. et comb. nov | Valid | Balini et al. | Sefid-Kuh Limestone | A member of Ceratitida belonging to the superfamily Dinaritoidea and to the family Tirolitidae. The type species is "Tirolites" rossicus Kiparisova (1947); genus also includes "Tirolites" armatus Shevyrev (1968). | ||||
| Sp. nov | Valid | Shigeta in Shigeta, Izukura & Nishimura | Late Cretaceous (Campanian) | A member of the family Pachydiscidae. | ||||
| Gen. et comb. et sp. nov | Valid | Krystyn et al. | A member of Ceratitida belonging to the family Distichitidae. The type species is "Distichites" tozeri Seyed-Emami (1975); genus also includes new species M. evolutus. | |||||
| Sp. nov | Valid | Naglik, De Baets & Klug | A member of Agoniatitida belonging to the family Mimosphinctidae. | |||||
| Sp. nov | Valid | Meister & Schlögl | Early Jurassic (Sinemurian) | |||||
| Microderoceras serratum[29] | Sp. nov | Valid | Meister & Schlögl | Early Jurassic (Sinemurian) | ||||
| Nom. nov | Valid | Bockwinkel, Korn & Herd | A replacement name for Melonites Bogoslovskii (1971). | |||||
| Sp. nov | Valid | Shigeta in Shigeta, Izukura & Nishimura | Late Cretaceous (Campanian) | Chinomigawa Formation | A member of the family Phylloceratidae. | |||
| Sp. nov | Valid | Krystyn et al. | A member of Ceratitida belonging to the family Noridiscitidae. | |||||
| Sp. nov | Valid | Gulyaev | A member of the family Parkinsoniidae. | |||||
| Sp. nov | Valid | Gulyaev | A member of the family Parkinsoniidae. | |||||
| Sp. nov | Valid | Kennedy | ||||||
| Sp. nov | Valid | Vermeulen et al. | Early Cretaceous | |||||
| Sp. nov | Valid | Shigeta in Shigeta, Izukura & Nishimura | Late Cretaceous (Campanian) | Chinomigawa Formation | A member of the family Diplomoceratidae. | |||
| Sp. nov | Valid | Galácz | A member of the family Oppeliidae. | |||||
| Gen. et comb. nov | Valid | Vermeulen et al. | Early Cretaceous | Genus includes "Ammonites" assimilis Matheron (1880). | ||||
| Sp. nov | Valid | Galácz | A member of the family Strigoceratidae. | |||||
| Gen. et sp. et comb. nov | Valid | Becker et al. | A member of the family Mimosphinctidae belonging to the new subfamily Chebbitinae. The type species is P. debaetsi; genus might also include "Anetoceras (Erbenoceras)" mattei Feist (1970) and "Teicherticeras" ilanense Shen (1975). | |||||
| Sp. nov | Valid | Fujikawa | Akiyoshi Limestone | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | A member of the subfamily Acanthoceratinae. | ||||
| Gen. et comb et sp. nov | Valid | Rulleau & Jattiot | A member of the family Hildoceratidae. The type species is "Ammonites" bayani Dumortier (1874); genus also includes "Ammonites" frantzi Reynès (1868), "Hildoceras" comense var. praegruneri Monestier (1931) (raised to the rank of a separate species Pseudocrassiceras praegruneri) and a new species P. arbaulti. | |||||
| Gen. et sp. nov | Valid | Parent et al. | A member of the family Oppeliidae. The type species is P. chacaymelehuensis. | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | |||||
| Sp. nov | Valid | Ifrim | A member of the family Diplomoceratidae. | |||||
| Gen. et 3 sp. et comb. nov | Valid | Pavia & Fernandez-Lopez | A member of Haploceratoidea belonging to the family Lissoceratidae. The type species is S. ellipticum; genus also includes new species S. turgidulum and S. costellatum, as well as "Oppelia" depereti Flamand (1911) and "Lissoceras" semicostulatum Buckman (1923). | |||||
| Gen. et sp. nov | Valid | Galácz | A member of the family Perisphinctidae. The type species is S. incertus. | |||||
| Sp. nov | Valid | Metodiev | A member of the family Perisphinctidae. | |||||
| Gen. et sp. nov | Valid | Galácz | A possible member of the family Spiroceratidae. The type species is S. costatum. | |||||
| Sp. nov | Valid | Gulyaev | A member of the family Parkinsoniidae. | |||||
| Sp. nov | Valid | Gulyaev | A member of the family Parkinsoniidae. | |||||
| Sp. nov | Valid | Chandler | Inferior Oolite Formation | |||||
| Sp. nov | Valid | Chandler | Inferior Oolite Formation | |||||
| Sp. nov | Valid | Fauré & Téodori | ||||||
| Gen. et comb. nov | Valid | Naglik, De Baets & Klug | Early Devonian | Daleje Shale | A member of Agoniatitida belonging to the family Mimosphinctidae. The type species is "Teicherticeras" rudicostatum Bogoslovsky (1980); genus also includes "Convoluticeras" discordans Erben (1965) and "Teicherticeras" primigenitum Erben (1965). | |||
| Sp. nov | Valid | Korn & Ghaderi | A member of the family Araxoceratidae. | |||||
| Sp. nov | Valid | Kennedy in Gale, Kennedy & Walaszczyk | Cauvery Basin | |||||
| Sp. nov | Valid | Raffi, Olivero & Milanese | Rabot Formation |
Other cephalopods
[edit]Research
[edit]- A study on hydrostatic properties of early Paleozoic nautiloid and endoceratoid cephalopods, and on its implications for the knowledge of ecology of these cephalopods, is published by Peterman, Barton & Yacobucci (2019).[58]
- A study on the distribution and diversity of cephalopods during the Cambrian–Ordovician transition is published by Fang et al. (2019).[59]
- A study on cephalopod occurrences in South China and adjacent areas during the Middle to Late Ordovician, aiming to define biogeographic provinces, is published by Fang et al. (2019).[60]
- A study on changes of geographic range size and rates of speciation and extinction in nautiloid and ammonoid cephalopods living in the North American Midcontinent Sea from the Carboniferous (Pennsylvanian)-early Permian is published by Kolis & Lieberman (2019).[61]
- Ascocerid fossils are described from the Hirnantian?–Llandovery strata of the Eusebio Ayala and Vargas Peña formations (southeastern Paraguay) by Cichowolski et al. (2019), representing the first ascocerid record from high paleolatitudes of Gondwana.[62]
- A juvenile specimen of Dolorthoceras, representing the first Devonian cephalopod specimen preserving nacreous structures and the first ectocochleate cephalopod preserving fibrous structures within its conch, is described from the Frasnian Domanic Formation (Russia) by Doguzhaeva (2019).[63]
- A study on the response of cephalopod assemblages from the area of the present-day European Russia to environmental changes during the early Aptian Oceanic Anoxic Event is published by Rogov et al. (2019).[64]
- A study on the paleobiology of cephalopods from the Albian Mahajanga Basin of Madagascar will be published by Hoffmann et al. (2019).[65]
- A proposal for revision of the classification of nautiloid cephalopods presented in Treatise Part K is presented by King & Evans (2019), who name a new subclass Tarphyceratia, new order Rioceratida and new family Bactroceratidae.[66]
- A study on embryonic and early juvenile development of shell in Peismoceras is published by Manda & Turek (2019).[67]
- A study on changes of the morphological diversity of Late Permian coiled nautiloids is published online by Korn et al. (2019).[68]
- A study on the paleobiology of Angulithes mermeti, based on new material from the upper Cenomanian of Egypt, and on its implications for the knowledge of the evolution of Cenomanian lineage of Angulithes, is published by Wilmsen & Nagm (2019).[69]
- A study on the anatomy of Gordoniconus beargulchensis and on its implications for the knowledge of evolution of coleoids is published by Klug et al. (2019).[70]
- A study on a putative Sinemurian octocoral Mesosceptron from Montagna del Casale (Sicily, Italy) is published by Pignatti et al. (2019), who reinterpret the fossils of this taxon as incompletely preserved coleoid rostra, and consider Mesosceptron to be a subjective junior synonym of the genus Atractites.[71]
- A study on four specimens of Clarkeiteuthis conocauda from the Toarcian Posidonia Shale (Germany) preserved with small bony fish in their arm crowns, on the feeding behaviour of members of this species, and on the differences in the mode of life of C. conocauda, Passaloteuthis bisulcata and Hibolithes semisulcatus, is published by Jenny et al. (2019).[72]
- A study on belemnite body-size dynamics across the Pliensbachian–Toarcian boundary in the Peniche section (Lusitanian Basin, Portugal), evaluating its implications for the knowledge of the impact of the Pliensbachian–Toarcian boundary warming event on belemnite body size, is published by Rita et al. (2019).[73]
- New belemnite fossils are described from the Berriasian–Hauterivian of Arctic Canada and North-East Greenland by Mutterlose et al. (2019), who also evaluate the implications of these fossils for the knowledge of spatial distribution patterns of belemnites at northern high latitudes.[74]
New taxa
[edit]| Name | Novelty | Status | Authors | Age | Type locality | Country | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Gen. et sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Pseudorthocerida. Genus includes new species A. densiseptum. | ||||
| Gen. et sp. nov | Valid | Pohle, Klug & Haas | A member of Oncocerida belonging to the family Acleistoceratidae. Genus includes new species B. goliath and B. david. | |||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Oncoceratidae. | |||
| Gen. et sp. nov | Valid | Kröger & Gutiérrez-Marco | A member of Intejocerida. Genus includes new species C. aznari. | |||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | ||||
| Sp. nov | Valid | Hewaidy, Qot & Moneer | Early Paleocene | A member of the family Hercoglossidae. | ||||
| Gen. et sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Proteoceratidae. Genus includes new species C. thornquisti. | |||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | ||||
| Sp. nov | Valid | Hewaidy, Qot & Moneer | Late Paleocene | A member of the family Hercoglossidae. | ||||
| Sp. nov | Valid | Dzyuba in Dzyuba, Mitta & Sherstyukov | Djangura Formation | A belemnite. | ||||
| Sp. nov | Valid | Dzyuba in Dzyuba, Mitta & Sherstyukov | Djangura Formation | A belemnite. | ||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | ||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | ||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | ||||
| Gen. et sp. nov | Valid | Fuchs et al. | Late Jurassic (late Kimmeridgian to ?early Tithonian) | A member of Muensterelloidea. Genus includes new species E. arcuatus. | ||||
| Gen. et comb. nov | Valid | Fuchs | A member of Octobrachia belonging to the family Plesioteuthidae; a new genus for "Boreopeltis" soniae Wade (1993). | |||||
| Gen. et sp. nov | Valid | Fuchs | Kimmeridge Clay Formation | A member of Coleoidea belonging to the family Muensterellidae. Genus includes new species E. martilli. | ||||
| Gen. et sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Cyrtogomphoceratidae. Genus includes new species F. tomtei. | |||
| Gen. et sp. nov | Valid | Niko & Mapes | A member of the family Dentoceratidae. The type species is G. mcleodi. | |||||
| Gen. et sp. nov | Valid | Miao et al. | A nautiloid. Genus includes new species G. longliensis. | |||||
| Gen. et 2 sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Graciloceratidae. The type species is I. niger; genus also includes I. consobrinum. | |||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Proteoceratidae. | |||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Proteoceratidae. | |||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Proteoceratidae. | |||
| Gen. et sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Cyrtogomphoceratidae. Genus includes new species K. nissei. | |||
| Sp. nov | Valid | Barskov & Marek | ||||||
| Sp. nov | Valid | Barskov & Marek | ||||||
| Sp. nov | Valid | Barskov & Marek | ||||||
| Gen. et sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Pseudorthocerida. Genus includes new species L. mucronulatus. | ||||
| Gen. et sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Orthocerida. Genus includes new species M. gracilentum. | ||||
| Sp. nov | Valid | Fuchs et al. | South Bosque Formation | |||||
| Sp. nov | Valid | Fuchs et al. | ||||||
| Gen. et sp. nov | Valid | Fuchs et al. | Oxford Clay Formation | A member of Muensterelloidea. Genus includes new species M. johnjagti. | ||||
| Sp. nov | Valid | Miao et al. | A nautiloid. | |||||
| Sp. nov | Valid | Miao et al. | A nautiloid. | |||||
| Sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Geisonoceratidae. | |||
| Sp. nov | Valid | Košťák, Jagt & Schlögl | Miocene (late Langhian–earliest Serravallian) | A species of Sepia. | ||||
| Gen. et sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Pseudorthocerida. Genus includes new species S. amplum. | ||||
| Sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Pseudorthocerida. | ||||
| Sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Pseudorthocerida. | ||||
| Gen. et sp. nov | In press | Ebbestad et al. | Late Ordovician | Upper Tiouririne Formation | A member of Orthocerida belonging to the family Stereoplasmoceratidae. The type species is T. tiouririnense. Announced in 2019; the final version of the article naming it is not published yet. | |||
| Sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Orthocerida. | ||||
| Sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Orthocerida. | ||||
| Sp. nov | Valid | Niko, Sone & Leman | Lower Setul Limestone | A member of Orthocerida. | ||||
| Gen. et sp. nov | Valid | Fuchs et al. | Altmühltal Formation | A member of Muensterelloidea. Genus includes new species T. fauseri. | ||||
| Gen. et sp. nov | Valid | Kröger & Aubrechtová | Late Ordovician | Kullsberg Limestone Formation | A member of the family Valcouroceratidae. Genus includes new species V. dalecarlia. | |||
| Sp. nov | In press | Ebbestad et al. | Late Ordovician | Upper Ktaoua Formation | A member of Actinocerida belonging to the family Wademidae. Announced in 2019; the final version of the article naming it is not published yet. |
Gastropods
[edit]Research
[edit]- A study on the diversity of gastropod larval conch fossil assemblages of ages ranging from the Ordovician to Carboniferous is published online by Dzik (2019).[89]
- A study on the recovery of gastropods in the aftermath of the Cretaceous–Paleogene extinction event, based on data from fossils from the former Ankerpoort-Curfs quarry (Geulhem, the Netherlands), is published online by Vellekoop et al. (2019).[90]
- A probable cyclophoroidean gastropod, possibly a member of the family Cyclophoridae, is described from the Cretaceous amber from Myanmar by Xing et al. (2019), constituting the first confirmed and oldest record of soft-bodied preservation of a snail in Cretaceous amber.[91]
- A study on the nature of the size dimorphism in the Miocene gastropod Persististrombus deperditus, and on the causes of its evolution, is published by Halder & Paira (2019).[92]
- New specimens of Spinucella reimersi are described from the Miocene Gram Clay of Denmark by Schnetler (2019), who also provides an emended description of this species.[93]
- A revision of extant and Neogene members of the genus Antistreptus from the southwestern Atlantic Ocean is published by Pastorino & Griffin (2019).[94]
New taxa
[edit]| Name | Novelty | Status | Authors | Age | Type locality | Country | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Acirsa. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Acmaea. | ||||
| Nom. nov | Valid | Teixeira et al. | A species of Actinella. | |||||
| Sp. nov | Valid | Pacaud & Lebrun | A species of Agaronia. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Gen. et comb. nov | Valid | Harzhauser & Landau |
| A member of the family Turritellidae. The type species is "Turritella" cathedralis Brongniart (1823); genus also includes several European Cenozoic species previously placed in Protoma. | ||||
| Gen. et comb. nov | In press | Ebbestad et al. | Late Ordovician | Upper Ktaoua Formation | A member of the family Gosseletinidae belonging to the subfamily Euryzoninae. The type species is "Lophospira" debganensis Horný (1997). Announced in 2019; the final version of the article naming it is not published yet. | |||
| Sp. nov | Valid | Thivaiou, Harzhauser & Koskeridou | A species of Alvania. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Ketwetsuriya, Cook & Nützel | Ratburi Group | A member of the family Trochonematidae. | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Eotomariidae. | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Eotomariidae. | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Elasmonematidae. | ||||
| Gen. et sp. nov | Valid | Guzhov | A member of the family Stuoraxidae. Genus includes new species A. elegans. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Eotomariidae. | ||||
| Sp. nov | Valid | Lozouet | A species of Aphera. | |||||
| Gen. et comb. nov | Valid | Sanders, Merle & Puillandre |
| A member of the family Bursidae. The type species is "Ranella" grateloupi d'Orbigny (1852); genus also includes "Bursa" amphitrites Maury (1917), "Apollon" inaequicrenatus Cossmann & Peyrot (1924), "Ranella" morrisi d'Archiac & Haime (1853), "Ranella" tuberosa Grateloup (1833) and possibly also "Bursa (Bufonariella)" chipolana Schmelz (1997). | ||||
| Gen. et sp. nov | Valid | Asato & Hirano in Hirano et al. | A member of the family Cyclophoridae. The type species is A. plicatula. |  | ||||
| Sp. nov | Valid | Harzhauser & Landau | Middle Miocene |
| A member of the family Turritellidae. | |||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Arene. | ||||
| Gen. et sp. nov | Valid | Miquel | Early Pliocene | Irene Formation | A member of the family Cochliopidae. Genus includes new species A. pardignasi. | |||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Orthonematidae. | ||||
| Sp. nov | Valid | Kiel et al. | Early Oligocene | Talara Basin | A member of the family Hokkaidoconchidae. | |||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Lozouet | A species of Athleta. | |||||
| Sp. nov | Valid | Lozouet | A species of Athleta. | |||||
| Sp. nov | Valid | Lozouet | A species of Athleta. | |||||
| Sp. nov | Valid | Lozouet | A species of Athleta. | |||||
| Sp. nov | Valid | Lozouet | A species of Athleta. | |||||
| Sp. nov | Valid | Landau et al. | A species of Attiliosa. | |||||
| Sp. nov | Valid | Landau et al. | A species of Attiliosa. | |||||
| Gen. et sp. nov | Valid | Szabó et al. | Genus includes new species A. lenticula. | |||||
| Gen. et sp. nov | Valid | Mazaev | Early Permian | A member of the family Pseudozygopleuridae. Genus includes new species B. elegans. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Pacaud | ||||||
| Sp. nov | Valid | Mazaev | A member of the family Lophospiridae. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | |||||
| Sp. nov | Valid | Mazaev | Early Permian | |||||
| Sp. nov | Valid | Naranjo-García & Aguillón in Vega et al. | Late Cretaceous (late Campanian) | A member of the family Hydrobiidae. | ||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of the family Pickworthiidae. | |||||
| Gen. et sp. nov | Valid | Peel | Early Silurian | A member of Euomphaloidea belonging to the family Pycnomphalidae. The type species is B. oliveri. | ||||
| Sp. nov | Valid | Miquel | Early Pliocene | Irene Formation | A member of the family Bulimulidae. | |||
| Gen. et sp. et comb. nov | Valid | Mazaev | Early Permian | A member of the family Anomphalidae. Genus includes new species B. edita, as well as "Anomphalus" straparoliformis Mazaev (1997). | ||||
| Sp. nov | Valid | Lozouet | A species of Bonellitia. | |||||
| Sp. nov | Valid | Lozouet | A species of Bonellitia. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Rissooidea belonging to the family Palaeorissoinidae. | |||||
| Gen. et sp. nov | Valid | Szabó et al. | Genus includes new species B. fasciata. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Rissooidea belonging to the family Palaeorissoinidae. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Rissooidea belonging to the family Palaeorissoinidae. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Sinuspiridae. | ||||
| Sp. nov | Valid | Vicián, Kovács & Stein | Late Oligocene – early Miocene | A species of Calyptraea. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Ceratia. | ||||
| Subsp. nov | Valid | Harasewych | A subspecies of Cerion uva. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Cerithiella. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Cerithiopsis. | ||||
| Sp. nov | Valid | Szabó & Jaitly | A member of the family Paraturbinidae. | |||||
| Sp. nov | Valid | Berezovsky & Pacaud | Middle Eocene | A member of the family Pleurotomariidae. | ||||
| Sp. nov | Valid | Ketwetsuriya, Cook & Nützel | Ratburi Group | A member of the family Imoglobidae. | ||||
| Gen. et comb. nov | Valid | Janssen & Wilson | A member of the family Atlantidae; a new genus for "Atlanta" rotundata Gabb (1873). | |||||
| Sp. nov | Valid | Vicián, Kovács & Stein | Late Oligocene – early Miocene | A species of Clavatula. | ||||
| Nom. nov | Valid | Pacaud & Lebrun | A species of Clavilithes. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Nom. nov | Valid | Neiber & Glaubrecht | Early Pleistocene | Kaiso Series | A species of Cleopatra; a replacement name for Viviparus cylindricus Adam (1957). | |||
| Sp. nov | Valid | Vrinat | A species of Clithon. | |||||
| Sp. nov | Valid | Vrinat | A species of Clithon. | |||||
| Sp. nov | Valid | Vrinat | A species of Clithon. | |||||
| Sp. nov | Valid | Pedriali, Sosso & Dell'Angelo | A member of the family Naticidae. | |||||
| Sp. nov | Valid | Pedriali, Sosso & Dell'Angelo | A member of the family Naticidae. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of the family Eustomatidae. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Lozouet | A member of the family Cancellariidae. | |||||
| Sp. nov | Valid | Lozouet | A member of the family Cancellariidae. | |||||
| Sp. nov | Valid | Vicián, Kovács & Stein | Late Oligocene – early Miocene | A member of the family Cancellariidae. | ||||
| Nom. nov | Valid | Pacaud | ||||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A member of the family Turridae. | ||||
| Sp. nov | Valid | Guzhov | A member of the family Cerithiopsidae. | |||||
| Sp. nov | Valid | Foster et al. | ||||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Cranopsis. | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Tofanellidae. | ||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Cerithioidea belonging to the family Cryptaulacidae. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Cerithioidea belonging to the family Cryptaulacidae. | |||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of the family Maoraxidae. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Cylichna. | ||||
| Sp. nov | Valid | Amano | Late Pliocene | A species of Cyllene. | ||||
| Sp. nov | Valid | Vicián, Kovács & Stein | Late Oligocene – early Miocene | A cowry. | ||||
| Sp. nov | Valid | Lozouet | A species of Cystiscus. | |||||
| Sp. nov | Valid | Pacaud | ||||||
| Gen. et comb. nov | Valid | Vermeij & Pacaud | Eocene (Lutetian and Priabonian) | A member of the family Columbariidae. The type species is "Fusus" gothicus Deshayes (1834); genus also includes "Coluzea" cavelieri Gain & Le Renard (2017) and "Coluzea" monicae Belliard, Gain & Le Renard (2017). | ||||
| Sp. nov | Valid | Pacaud & Lebrun | A species of Dentimargo. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Phymatopleuridae. | ||||
| Sp. nov | Valid | Teixeira et al. | A species of Discula. | |||||
| Subsp. nov | Valid | Teixeira et al. | ||||||
| Subsp. nov | Valid | Guzhov | A member of Heterobranchia of uncertain phylogenetic placement. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Dolicholatirus. | ||||
| Sp. nov | Valid | Foster et al. | ||||||
| Gen. et 2 sp. nov | Valid | Guzhov | A member of the family Cerithiopsidae. Genus includes new species D. minuta and D. longa. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Phymatopleuridae. | ||||
| Gen. et 4 sp. nov | Valid | Szabó et al. | Genus includes new species E. alternatus, E. ietumensis, E. martae and E. garibaldii. | |||||
| Sp. nov | Valid | Szabó et al. | A species of Emarginula. | |||||
| Sp. nov | Valid | Szabó et al. | A species of Emarginula. | |||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Engina. | ||||
| Sp. nov | Valid | Ketwetsuriya, Cook & Nützel | Ratburi Group | A member of the family Gosseletinidae. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Eopleurotoma. | ||||
| Nom. nov | Valid | Pacaud & Lebrun | ||||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Epalxis. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Epalxis. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Episcomitra. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Euthria. | ||||
| Sp. nov | Valid | Szabó & Jaitly | Middle Jurassic (Callovian) | A member of the family Cryptaulacidae. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | Transferred to the genus Fusulculus by Pacaud (2020), who coined a replacement name Fusulculus hanseni.[129] | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Yu, Wang & Jarzembowski | A gastropod of uncertain phylogenetic placement. Originally described as a species of Epitonium; Neubauer et al. (2019) transferred this species to the pupinid genus Pseudopomatias.[131] | |||||
| Sp. nov | Valid | Yu, Wang & Jarzembowski | A gastropod of uncertain phylogenetic placement. Originally described as a species of Epitonium; Neubauer et al. (2019) transferred this species to the pupinid genus Pseudopomatias.[131] | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Phymatopleuridae. | ||||
| Sp. nov | Valid | Szabó et al. | ||||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | |||||
| Sp. nov | Valid | Das et al. | Uncertain; Late Jurassic[132] or Miocene[133] | A species of Euspira. | ||||
| Sp. nov | Valid | Das et al. | Uncertain; Late Jurassic[132] or Miocene[133] | A species of Euspira. | ||||
| Sp. nov | Valid | Pedriali, Sosso & Dell'Angelo | A species of Euspira. | |||||
| Sp. nov | Valid | Asato & Hirano in Hirano et al. | A member of the family Diplommatinidae. |  | ||||
| Gen. et sp. nov | Valid | Gründel, Keupp & Lang | A member of Rissooidea belonging to the new family Falsobuvignidae. The type species is F. peregrina. | |||||
| Sp. nov | Valid | Szabó et al. | ||||||
| Sp. nov | Valid | Powell & Geiger | A member of the family Fissurellidae. | |||||
| Sp. nov | Valid | Lozouet | A member of the family Cancellariidae. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Fusinus. | ||||
| Sp. nov | Valid | Zamberlan & Checchi | A member of the family Cypraeidae belonging to the subfamily Gisortiinae. | |||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Gemmula. | ||||
| Sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A species of Gemmula. | ||||
| Gen. et sp. nov | Valid | Tracey & Craig in Tracey, Craig & Gain | Eocene (Lutetian) | A member of the family Turridae. The type species is G. nigellensis. | ||||
| Sp. nov | Valid | Pacaud & Lebrun | A species of Gibberula. | |||||
| Sp. nov | Valid | Lozouet | A species of Gibberula. | |||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Gibberula. | ||||
| Sp. nov | Valid | Lozouet | A species of Gibberula. | |||||
| Sp. nov | Valid | Lozouet | A species of Gibberula. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Meekospiridae. | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Gosseletinidae. Originally described as a species of Globodoma, but subsequently transferred to the genus Nemaspira.[136] | ||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Goniasmatidae. | ||||
| Sp. nov | Valid | Naranjo-García & Aguillón in Vega et al. | Late Cretaceous (late Campanian) | A member of the family Pleuroceridae. | ||||
| Sp. nov | Valid | Gründel, Keupp & Lang | A member of Campaniloidea belonging to the family Gymnocerithiidae. | |||||
| Sp. nov | Valid | Das et al. | Uncertain; Late Jurassic[132] or Miocene[133] | A member of the family Naticidae. | ||||
| Sp. nov | Valid | Naranjo-García & Aguillón in Vega et al. | Late Cretaceous (late Campanian) | A member of the family Physidae. | ||||
| Sp. nov | Valid | Kovács & Vicián | A member of the family Muricidae. | |||||
| Sp. nov | Valid | Pacaud | ||||||
| Sp. nov | Valid | Ketwetsuriya, Cook & Nützel | Ratburi Group | A member of the family Porcelliidae. | ||||
| Gen. et sp. nov | Valid | Guzhov | A member of the family Cornirostridae. Genus includes new species H. globosa. | |||||
| Sp. nov | Valid | Pacaud | A species of Hinea. | |||||
| Gen. et sp. nov | Valid | Neubauer, Xing & Jochum | A member of the family Cyclophoridae. The type species is H. electrum. | |||||
| Sp. nov | Valid | Naranjo-García & Aguillón in Vega et al. | Late Cretaceous (late Campanian) | A species of Holospira. | ||||
| Sp. nov | Valid | Thivaiou, Harzhauser & Koskeridou | A species of Homalopoma. | |||||
| Sp. nov | Valid | Esu & Girotti | A species of Hydrobia sensu lato. | |||||
| Sp. nov | Valid | Esu & Girotti | A species of Hydrobia sensu lato. | |||||
| Sp. nov | Valid | Ketwetsuriya, Cook & Nützel | Ratburi Group | A member of the family Pseudozygopleuridae. | ||||
| Sp. nov | Valid | Halder & Das | A volute. | |||||
| Sp. nov | Valid | Pacaud | ||||||
| Sp. nov | Valid | Pacaud | ||||||
| Gen. et sp. nov | Valid | Szabó & Jaitly | Middle Jurassic (Bathonian) | A possible member of the family Pleurotomariidae. The type species is J. jumaraensis. | ||||
| Gen. et 2 sp. nov | Valid | Szabó et al. | Genus includes new species J. sturanii and possibly also J? tenuiretis. | |||||
| Sp. nov | Valid | Pacaud | ||||||
| Sp. nov | Valid | Szabó et al. | ||||||
| Sp. nov | Valid | Asato & Hirano in Hirano et al. | A species of Lagocheilus. |  | ||||
| Sp. nov | Valid | Asato & Hirano in Hirano et al. | Originally described as a species of Lagocheilus. Transferred to the genus Eotrichophorus by Balashov (2020).[141] |  | ||||
| Sp. nov | Valid | Teixeira et al. | A species of Leiostyla. | |||||
| Sp. nov | Valid | Teixeira et al. | A species of Leiostyla. | |||||
| Sp. nov | Valid | Teixeira et al. | A species of Leiostyla. | |||||
| Sp. nov | Valid | Teixeira et al. | A species of Leiostyla. | |||||
| Subsp. nov | Valid | Teixeira et al. | A species of Leptaxis. | |||||
| Sp. nov | Valid | Teixeira et al. | A species of Leptaxis. | |||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Pseudozygopleuridae. | ||||
| Levizygopleura magna[101] | Sp. nov | Valid | Mazaev | Early Permian | A member of the family Pseudozygopleuridae. | |||
| Sp. nov | Valid | Pacaud | A species of Littoraria. | |||||
| Sp. nov | In press | Ebbestad et al. | Late Ordovician | Upper Ktaoua Formation | A member of the family Lophospiridae. Announced in 2019; the final version of the article naming it is not published yet. | |||
| Sp. nov | Valid | Lozouet | A species of Lyria. | |||||
| Gen. et comb. nov | Valid | Dolin & Aguerre | A member of the family Cypraeidae. The type species is "Pustularia (Conocypraea)" rugifera Schilder (1927). | |||||
| Gen. et sp. nov | Valid | Guzhov | A member of Heterobranchia of uncertain phylogenetic placement. Genus includes new species M. sinistra. | |||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Mathilda. | ||||
| Sp. nov | Valid | Pacaud | A species of Melanopsis. | |||||
| Sp. nov | Valid | Pacaud | A species of Melarhaphe. | |||||
| Sp. nov | Valid | Pacaud | A species of Melarhaphe. | |||||
| Sp. nov | Valid | Lozouet | A species of Merica. | |||||
| Sp. nov | Valid | Lozouet | A species of Merica. | |||||
| Sp. nov | Valid | Lozouet | A species of Merica. | |||||
| Sp. nov | Valid | Harzhauser & Landau | Middle Miocene | A species of Mesalia. | ||||
| Sp. nov | Valid | Hansen | Cretaceous-Paleogene boundary | A species of Mesalia. | ||||
| Sp. nov | Valid | Harzhauser & Landau | Middle Miocene | A species of Mesalia. | ||||
| Sp. nov | Valid | Harzhauser & Landau | Middle Miocene | A species of Mesalia. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Sp. nov | Valid | Landau, Ceulemans & Van Dingenen | Miocene (Tortonian) | A species of Mitrella. | ||||
| Gen. et sp. nov | Valid | Mazaev | Early Permian | A member of the family Stuoraxidae. Genus includes new species M. bonus. | ||||
| Sp. nov | Valid | Amano | Late Pliocene | Nadachi Formation | A species of Monodonta. | |||
| Sp. nov | Valid | Merle & Pacaud | A species of Murexsul. | |||||
| Nom. nov | Valid | Pacaud & Lebrun | A species of Neverita. | |||||
| Sp. nov | Valid | Pacaud & Lebrun | ||||||
| Sp. nov | Valid | Mazaev | Early Permian | A member of the family Daminilidae. | ||||
| Sp. nov | Valid | Landau et al. | A species of Ocinebrina. | |||||
| Gen. et comb. nov | Valid | Sanders, Merle & Puillandre |
