Spirula spirula is a species of deep-water squid-like cephalopod mollusk. It is the only extant member of the genus Spirula, the family Spirulidae, and...
13 KB (1,213 words) - 07:03, 27 August 2024
gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the ammonites. A...
5 KB (583 words) - 18:55, 26 December 2022
ten-limbed cephalopods (including squid, bobtail squid, cuttlefish, and Spirula) as well as in the eight-limbed cirrate octopuses and vampire squid. Many...
7 KB (650 words) - 03:38, 29 December 2023
Cyclostrema spirula is a species of sea snail, a marine gastropod mollusc in the family Liotiidae. Examination (Warén & Bouchet 1988) of the holotype...
2 KB (202 words) - 02:17, 13 June 2024
Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa. Oldest representative: Carboniferous, though...
2 KB (106 words) - 07:54, 10 December 2023
polyplacophorans (or chitons), and cephalopods (such as nautilus and spirula). These shells are very often the most commonly encountered, both in the...
40 KB (4,840 words) - 03:33, 8 August 2024
quadriplicata Quadrula quadrula — mapleleaf mussel Rapa rapa — bubble turnip Spirula spirula — ram's horn squid Staphylaea staphylaea — stippled cowry Telescopium...
31 KB (2,543 words) - 22:46, 18 August 2024
mineralized coleoids (Spirula, Sepia, and Metasepia) as a clade; however, others do recover this more parsimonious-seeming clade, with Spirula as a sister group...
138 KB (15,375 words) - 21:28, 9 July 2024
Abraliopsis; the pygmy cuttlefish Sepia pulchra; and the ram's horn squid, Spirula spirula. The octopod superfamily Argonautoidea is characterised by markedly...
358 KB (29,803 words) - 12:23, 31 August 2024
Dentalium suteri Dentalium tiwhana Dentalium zelandicum Spirulidae Spirula spirula – ram's horn squid Sepiadariidae Sepioloidea pacifica – Pacific bobtail...
8 KB (607 words) - 22:38, 12 March 2023