Leninia

Leninia
Temporal range: Early Cretaceous, 119–113 Ma
Scientific classification
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]

Phylogeny

Cladogram based in the phylogenetic analysis of Fischer et. al., 2013:[1]

Thunnosauria 

Ichthyosaurus communis

Stenopterygius quadriscissus

Chacaicosaurus cayi


 Ophthalmosauridae 

Arthropterygius chrisorum


*
 Ophthalmosaurinae 

Leninia stellans

Mollesaurus perialus

Ophthalmosaurus icenicus (type species)

Baptanodon ("O." natans)

Acamptonectes densus





 Platypterygiinae 


Brachypterygius extremus

Maiaspondylus lindoei

Aegirosaurus leptospondylus

Sveltonectes insolitus

"Platypterygius" hercynicus

Caypullisaurus bonapartei

Athabascasaurus bitumineus

"Platypterygius" australis











See also

References

  1. 1 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". Geological Magazine: 1. doi:10.1017/S0016756812000994.
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