EARLY TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

EUROPEAN RUSSIA

ARKHANGEL’SK PROVINCE

PECHORA RIVER BASIN

TSIL'MA RIVER

TSIL'MA II LOCALITY

CHARKABOZHSKAYA FORMATION

SLUDKA HORIZON

VETLUGA SUPERHORIZON

USTMYLIAN GORIZONT

EARLY OLENEKIAN

UPPER NAMMALIAN STAGE

MIDDLE SCYTHIAN EPOCH

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

Tsylmosuchus jakovlevi