Wetlugasaurus

Wetlugasaurus; Temporal range: Olenekian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Temnospondyli
Suborder:	†Stereospondyli
Clade:	†Capitosauria
Family:	†Mastodonsauridae
Genus:	†Wetlugasaurus; Riabinin, 1930
Species
	†W. angustifrons Riabinin, 1930 (type); †W. malachovi Novikov, 1990;

Wetlugasaurus (meaning "Vetluga River lizard")^[1] is an extinct genus of temnospondyl from the Early Triassic (Olenekian) Charkabozh, Kzylsaiskaya, Petropavlovka, Kamennyi Yar and Vetluga Series Formations of northern Russia and Greenland.^[2] It had a 22 centimetres (8.7 in) long skull, and reached a total length of 1 metre (3 ft 3 in).^[3]

Phylogeny

Wetlugasaurus in a cladogram after Novikov (2018) with only Early Triassic Eastern Europe taxa included:^[4]

^ Rybin, Ivan (2018) "In Search of Kostroma Crocodile" Russian Geographical Society.'
^ Steyer, J. S. (2003). "A revision of the Early Triassic "Capitosaurs" (Stegocephali, Stereospondyli) from Madagascar, with remarks on their comparative ontogeny". Journal of Vertebrate Paleontology. 23 (3): 544–555. doi:10.1671/1740. S2CID 85667716.
^ "AmphibianS.xls" (PDF). angellis.net. Retrieved 2023-06-28.
^ Novikov A.V. (2018). Early Triassic amphibians of Eastern Europe: evolution of dominant groups and peculiarities of changing communities (PDF) (in Russian). Moscow: RAS. p. 138. ISBN 978-5-906906-71-7. "Archive copy" (PDF). December 8, 2023.