ORENBURG REGION

PERVOMAISKY DISTRICTY

MANSUROVO LOCALITY

USTMYLIAN HORIZON

GOSTEVSKAYA FORMATION

LOWER OLENKIAN STAGE

SCYTHIAN EPOCH

EARLY TRIASSIC

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LABYRINTHODONTIA OWEN, 1860

SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887

Incertae sedis

Gen. sp indet.

MICROORDER: LIMNARCHIA YATES & WARREN, 2000

ORDER: TREMATOSAURIA PIVETEAU, 1955

Superfamily: TREMATOSAUROIDEA Save-Soderbergh, 1935

Family: BENTHOSUCHIDAE Efremov, 1931

Subfamily: THOOSUCHINAE Getmanov, 1982

Angusaurus sp

Family: WETLUGASAURIDAE Save-Soderbergh, 1935

Wetlugasaurus malachovi

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: AVEMETATARSALIA BENTON, 1999

COHORT: PROLACERTIFORMES CAMP, 1945 NOVA

MAGNORDER: PROTOROSAURIA HUXLEY, 1871

Superfamily: PROTOROSAUROIDEA Lydekker, 1888 (sensu Kuhn, 1969)

Family: PROLACERTIDAE Parrington, 1935

Microcnemus sp

MAGNORDER: PROTEROSUCHIFORMES nova

ORDER: PROTEROSUCHIA BROOM, 1906

Family: PROTEROSUCHIDAE Huene, 1914

Chasmatosuchus (?) sp

Tsylmosuchus (?) jakovlevi

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890

Incertae sedis

Gen. sp indet.

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

Ichnofamily: RHYNCHOSAUROIDIDAE Haubold, 1966

Rhynchosauroides cf. palmatus

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOSUPERORDER: PARASUCHIMORPHIPIDIDA NOVA

ICHNOORDER: PARASUCHIPEDOIDEI EMEND VIALOV, 1966

Ichnofamily: CHIROTHERIIDAE emend Abel, 1835

Protochirotherium (?) isp

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