OBSHCHIY SYRT

MECHET’GULLY

RYBINSKINA GORIZONT

INDUAN

GRIESBACHIAN-LOWER NAMMALIAN STAGE

LOWER-MIDDLE SCYTHIAN EPOCH

EARLY TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

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: PROTEROSUCHIFORMES nova

ORDER: PROTEROSUCHIA BROOM, 1906

Family: PROTEROSUCHIDAE Huene, 1914

Chasmatosuchus sp