Uptonia is an extinct ammonite from the Lower Jurassic that's included in the eoderoceratoidean family Polymorphitidae. The shell of Uptonia is evolute...
2 KB (122 words) - 19:53, 18 July 2023
zone of Prodactylioceras davoei zone of Tragophylloceras ibex zone of Uptonia jamesoni In the Tethys domain, the Pliensbachian contains six biozones:...
9 KB (645 words) - 15:48, 4 January 2024
Promicroceras P. planicosta Obtusum Zone Radstockiceras R. complicatum Tragophylloceras T. ibex, T. loscombi Green Ammonite Member Uptonia U. bronni Xipheroceras...
40 KB (1,620 words) - 02:22, 4 September 2024
sea level is also measured in the north, as is proven by the presence of Uptonia jamesoni in Kurremölla (Röddinge Formation, Skåne) and Beaniceras centaurus...
44 KB (1,303 words) - 01:20, 27 August 2024
Uhligella Uhligia Uhligites Umbetoceras Umiaites Unipeltoceras Unquatornoceras Uptonia Urakawites Uraloceras Uraloclymenia Uralopronorites Ussuria Ussurites Utaturiceras...
65 KB (2,780 words) - 20:33, 4 September 2024
Level Environment Material Notes References Images Uptonia Uptonia jamesoni Uptonia angusta Uptonia sp. juv Kurremölla Kullemölla Rödmölla Jamesoni Zone...
19 KB (1,106 words) - 19:08, 8 July 2024
Jurassic (Middle or Upper Aalenian) Inferior Oolite Formation United Kingdom Uptonia schlatteri Sp. nov Valid Fauré & Téodori Early Jurassic (Pliensbachian)...
210 KB (9,569 words) - 06:48, 19 September 2024
spp. Ifrane Isolated Shells An ammonite of the family Polymorphitidae Uptonia U. jamesoni U. spp. Tazioualt Isolated Shells An ammonite of the family...
73 KB (3,957 words) - 00:39, 29 September 2024
can be well dated by ammonites—(Arietites, Oxynoticeras, Deroceras, and Uptonia jamesoni). They are mainly calcareous and rich in quartz grains and pebbles...
48 KB (6,285 words) - 14:05, 21 May 2024
Promicroceras planicostatum Promicroceras sp. juv. Tragophylloceras ibex Uptonia jamesoni "Belemnites" elongatus "Belemnites" milleri Passaloteuthis alveolata...
86 KB (5,549 words) - 03:41, 15 July 2024