Virgatites
| Virgatites | |
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| Fossil shell of Virgatites virgatus from Russia, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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| Genus: | Virgatites (Pavlov, 1892)
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Virgatites is an extinct genus of ammonoid cephalopod belonging to the family Perisphinctidae. Related genera in the Virgatitinae include Acuticostites and Zaraiskites. Species in this genus were fast-moving nektonic carnivores.[1]
Species
[edit]- Virgatites virgatus (Buch 1830)
- Virgatites pallasianus (d'Orbigny, 1845)
- Virgatites sosia (Vischniakoff 1882)
- Virgatites larisae Mitta 1983
- Virgatites gerassimovi Mitta 1983
- Virgatites crassicostatus Mitta 1987
- Virgatites rarecostatus Rogov 2017
Description
[edit]Viratites has a ribbed evolute shell without tubercles.
Distribution
[edit]These cephalopods lived during the Volgan stage (or Tithonian age) of the upper Jurassic[3] in what is now the Russian Platform.
References
[edit]- ^ a b The Paleobiology Database
- ^ Ammonit.ru
- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
Further reading
[edit]- W.J Arkell, et al., Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L, 1957. Geological Society of America and University of Kansas Press.
- V.V. Mitta, 1993. The Systematic Composition of the Middle Volgian Virgatitidae (Ammonoidea) of Central Asia Paleontological Journal 27(4).
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