EUROPEAN RUSSIA

TATARSTAN

MAMADYSHSKII DISTRICT

SAMODUROKVA

BEREZOVYE POLYANKI LOCALITY

LOWER KAZANIAN 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

GRANDORDER: EUTHERAPSIDA

SUBORDER: DEINOCEPHALIA OLSEN, 1962

SUBORDER: TAPINOCEPHALIA BOONSTRA, 1955

INFRAORDER: TITANOSUCHIA

Superfamily: TITANOSUCHOIDEA Olson, 1962

Family: TITANOSUCHIDAE Boonstra, 1976

Subfamily: TITANOSUCHINAE Broom, 1903

Microsyodon sp