Genus
Valid Extinct

Undorosaurus

Efimov 1999

Undorosaurus is an extinct genus of ophthalmosaurid ichthyosaur known from western Russia, Svalbard, and Poland. It was a large ichthyosaur, with the type species measuring 4–6 metres (13–20 ft) long.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
6
Group
Ichtyosaures
Carnivore nektonic Marine
Undorosaurus
click to enlarge
Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Ichthyosauria Unranked clade
›
Baracromia Unranked clade
›
Ophthalmosauridae Family
›
Ophthalmosaurinae Subfamily
›
Undorosaurus Genus
Fossil sites 6 geolocated sites
Distribution
Top countries
🇷🇺 Russia
6
Temporal distribution
Tithonian (149.2–143.1 Ma)
2
Kimmeridgian (154.8–149.2 Ma)
4
Species (4)
Undorosaurus gorodischensis 162 Ma
Undorosaurus khorlovensis 162 Ma
Undorosaurus nessovi 162 Ma
Undorosaurus trautscholdi 145 Ma
Images 1
Bibliography
Original description
M. W. Maisch and A. T. Matzke. 2000. The Ichthyosauria. Stuttgarter Beitrage zur Naturkunde, Serie B (Geologie und Palaontologie) 298:1-159
Bibliography (2)
M. S. Arkhangelsky and N. G. Zverkov. 2014. On a new ichthyosaur of the genus Undurosaurus. Proceedings of the Zoological Institute RAS 318(5):187-196 DOI ↗
V. M. Efimov. 1999. A new family of Ichthyosaurs, the Undorosauridae fam. nov. from the Volgian stage of the European part of Russia. Paleontological Journal 33(2):174-181