Virgatites
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]
Virgatites | |
---|---|
Fossil shell of Virgatites virgatus from Russia, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Subclass: | |
Order: | |
Family: | |
Subfamily: | Virgatitinae |
Genus: | Virgatites (Pavlov, 1892) |
Species
- 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
Viratites has a ribbed evolute shell without tubercles.
Distribution
These cephalopods lived during the Volgan stage (or Tithonian age) of the upper Jurassic [3] in what is now the Russian Platform.
References
Further reading
- 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).
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.