EUROPEAN RUSSIA

PERM REGION

EZHOVO LOCALITY

LOWER TATARIAN SUBSTAGE

CAPITANIAN STAGE

MIDDLE ZECHSTEIN EPOCH

LATE MIDDLE PERMIAN

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: SYNAPSIDA OSBORN, 1903

SUPERORDER: THERASPID BROOM, 1905

ORDER: EOTHERIODONTIA OLSON, 1962

SUBORDER: EOTITANOSUCHIA BOONSTRA, 1963

INFRAORDER: EOTITANOSUCHIA BOONSTRA, 1963

Family: EOTITANOSUCHIDAE CHUDINOV, 1960

*Biarmosuchus tener
= *Biarmosaurus antecessor
= Biarmosuchus antecessor
= *Eotitanosuchus olsoni
=*Ivantosaurus ensifer

GRANDORDER: EUTHERAPSIDA

ORDER: DEINOCEPHALIA OLSEN, 1962

SUBORDER: TAPINOCEPHALIA BOONSTRA, 1955

INFRAORDER: TITANOSUCHIA

Superfamily: TITANOSUCHOIDEA Olson, 1962

Family: TITANOSUCHIDAE Boonstra, 1976

Subfamily: TITANOSUCHINAE Broom, 1903

*Archaeosyodon praeventor

SUBORDER: EUDEINOCEPHALIA APPLEBY, CHARIG, COX, KERMACK & TARLO, 1967

Superfamily: DEUTEROSAUROIDEA Seeley, 1894

Family: BRITHOPIDAE Boonsrtra, 1972

Subfamily: BRITHOPOIDIDAE Efremov, 1954

*Chthomaloporus lenocinator

MICRORDER: NEOTHERAPSIDA

ORDER: THERIODONTIA OWEN, 1881

SUBORDER: GORGONOPIA SEELEY, 1895

INFRAORDER: ESTEMMENOSUCHOIDEA IVENKNENKOV, 2003

Superfamily: RHOPALODONTIDEA Seeley, 1894

Family: ESTEMMENOSUCHIDAE CHUDINOV, 1960

*Estemmenosuchus mirabilis
= Estemmenosuchus uralensis (partim)
Estemmenosuchus uralensis
= *Zopherosuchus luceus
= *Anoplosuchus tenuirostris

ORDER: ANOMODONTIA WATSON & ROMER, 1956

SUBORDER: ULEMICIA IVAKHNENKO, 1996

Superfamily: VENYUKOVIOIDEA Efremov, 1940 (sensu Efremov, 1956)

Family: VENYUKOVIIDAE Efremov, 1940

*Otsheria netzvetajevi

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