- Source: 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.
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 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).