Wetlugasaurus

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]

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

Phylogeny

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

Temnospondyli	Luzocephalus Capitosauridae Samarabatrachus Poryolosuchus Parotosuchus Selenocara Wetlugasaurus Vladlenosaurus Qantas Trematosauridae Prothoosuchus Thoosuchus Trematotegmen Angusaurus Inflectosaurus Trematosaurus Syrtosuchus Benthosuchus Yarengiidae Vyborosaurus Yarengia Benthosuchidae Qantasidae Lydekkerinidae