Virgatites
| Virgatites Temporal range: Upper Jurassic, 150.8–145.5 Ma | |
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| Fossil shell of Virgatites virgatus from Russia, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Family: | Perisphinctidae |
| Subfamily: | Virgatitinae |
| Genus: | Virgatites (Pavlov, 1892) |
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
- 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.
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).
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