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Undorosaurus trautscholdi, new ichthyosaur species from Upper Jurassic of Russia (free pdf)



Ben Creisler
bcreisler@gmail.com

A recent paper not yet mentioned:

Undorosaurus trautscholdi  Arkhangelsky & Zverkov, 2014



M.S. Arkhangelsky and N.G. Zverkov (2014)
On a new ichthyosaur of the genus Undorosaurus.
Proceedings of the Zoological Institute 318 (3): 187-196
http://www.zin.ru/journals/trudyzin/doc/vol_318_3/TZ_318_3_Arkhangelsky.pdf

A new species of ichthyosaur genus Undorosaurus from the Volgian stage
of Moscow is described based on an incomplete forelimb. It differs
from congeners basically in the form and position of pisiforme. With
the application of cladistic method the phylogenetic position of two
genera Undorosaurus and Paraophthalmosaurus in the system of
Ichthyosauridae is defined. Both taxa are referred to the clade
Ophthalmosauridae.