Reptilia - Ichthyosauria - Ophthalmosauridae

Alternative combination: Undorosaurus kristiansenae

Full reference: P. S. Druckenmiller, J. H. Hurum, E. M. Knutsen and H. A. Nakrem. 2012. Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway. Norwegian Journal of Geology 92:311-339

Belongs to Cryopterygius according to M. S. Arkhangelsky and N. G. Zverkov 2014

See also Delsett et al. 2019, Druckenmiller et al. 2012 and Ji et al. 2016

Sister taxon: Cryopterygius kielanae

Type specimen: PMO 214.578, a partial skeleton (a nearly complete skull, the entire presacral and preflexural vertebral column, numerous ribs and gastralia, most of the right and left pectoral girdle and limb). Its type locality is North side of Janusfjellet (Cryopterygius kristiansenae type), which is in a Tithonian deep-water mudstone in the Agardhfjellet Formation of Norway.

Ecology: nektonic carnivore

Distribution: found only at North side of Janusfjellet (Cryopterygius kristiansenae type)

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Specimen images are retrieved through the ePANDDA API.