''Luzocephalus'' is an extinct

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

temnospondyl Temnospondyli (from Greek language, Greek τέμνειν, ''temnein'' 'to cut' and σπόνδυλος, ''spondylos'' 'vertebra') or temnospondyls is a diverse ancient order (biology), order of small to giant tetrapods—often considered Labyrinth ...

from the

Early Triassic The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.9 Ma and Ma (million years ago). Rocks from this epoch are collectively known as the Lower Triassic Series, which ...

of Russia (Vetluga Series, Kasnyye Baki horizon) and Greenland (

Wordie Creek Formation The Wordie Creek Formation is an uppermost Permian and Lower Triassic geologic formation in Greenland, outcrops of which are located in Northeast Greenland National Park (until 2008 Tunu County, Danish: Østgrønland, English: East Greenland). ...

). It is usually regarded as a member of the family

Lydekkerinidae Lydekkerinidae is a family of stereospondyl temnospondyls that lived in the Early Triassic period. During this time period, lydekkerinids were widely distributed, with putative remains reported from Russia, Greenland, India, South Africa, Madaga ...

, although it has also been placed in the family

Trematosauridae Trematosauridae is a family of large marine temnospondyls with several included genera. Appearance and lifestyle Trematosaurids are one of the most derived families of the Trematosauroidea superfamily in that they are the only family that hav ...

Phylogeny

''Luzocephalus'' in a

cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...

after Novikov (2018) with only Early Triassic Eastern Europe taxa included:

References

Stereospondyli Triassic temnospondyls of Europe Triassic temnospondyls of North America Fossils of Greenland Fossils of Russia Fossil taxa described in 1935 {{temnospondyli-stub