Leninia information

Leninia; Temporal range: Early Cretaceous, 119–113 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Ichthyosauria
Family:	†Ophthalmosauridae
Subfamily:	†Ophthalmosaurinae
Genus:	†Leninia; Fischer et al., 2013
Type species
	†Leninia stellans; Fischer et al., 2013

Leninia is an extinct genus of basal ophthalmosaurine ichthyosaur known from the late Early Cretaceous (lower Aptian stage) of western Russia. Leninia was first named by Valentin Fischer, Maxim S. Arkhangelsky, Gleb N. Uspensky, Ilya M. Stenshin and Pascal Godefroit in 2013 and the type species is Leninia stellans.^[1] It was named for Vladimir Lenin, one of the leaders of the Communist Revolution in Russia, but not directlу: the museum where fossils is housed is located within the Lenin Memorial and Lenin school complex in Ulyanovsk; accordingly, the generic name reflects the geohistorical location of the find.

The specimen was discovered in 2012, on the banks of the river Volga near the town of Kriushi in a limestone nodule. There are several other fossils from the same time period near it, including ammonites, lamellibranchs and fish remains. Only part of the skull was found.^[2]

^ Fischer, V.; Arkhangelsky, M. S.; Uspensky, G. N.; Stenshin, I. M.; Godefroit, P. (2013). "A new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae" (PDF). Geological Magazine. 151: 60–70. Bibcode:2014GeoM..151...60F. doi:10.1017/S0016756812000994.
^ Fischer, Valentin; Arkhangelsky, Maxim; N Uspensky, Gleb; Stenshin, Ilya; Godefroit, Pascal (2013-01-01). "A new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae". Geological Magazine. 151: 60–70. Bibcode:2014GeoM..151...60F. doi:10.1017/S0016756812000994. hdl:2268/137853.

[Leninia-1] Fischer, V.; Arkhangelsky, M. S.; Uspensky, G. N.; Stenshin, I. M.; Godefroit, P. (2013). "A new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae" (PDF). Geological Magazine. 151: 60–70. Bibcode:2014GeoM..151...60F. doi:10.1017/S0016756812000994.

[:0-2] Fischer, Valentin; Arkhangelsky, Maxim; N Uspensky, Gleb; Stenshin, Ilya; Godefroit, Pascal (2013-01-01). "A new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae". Geological Magazine. 151: 60–70. Bibcode:2014GeoM..151...60F. doi:10.1017/S0016756812000994. hdl:2268/137853.

Leninia information

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Leninia

Ichthyotitan

Shastasaurus

Ophthalmosaurus

Ophthalmosauridae

Ichthyopterygia

Temnodontosaurus

Ichthyosauria

Shonisaurus

Ichthyosaurus

Eretmorhipis

Argovisaurus

Omphalosauridae

Hupehsuchia

Myobradypterygius

Stenopterygius

Gengasaurus

Platypterygius

Sveltonectes

Mollesaurus

Sisteronia

Mixosaurus

Brachypterygius

Shastasauridae

Ichthyosauriformes

Barracudasaurus

Himalayasaurus

Kyhytysuka

Leptonectidae