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 ensiferGRANDORDER: 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 tenuirostrisORDER: 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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