EUROPEAN RUSSIA

ORENBURG PROVINCE

30 M N OF ORENBURG

ROSHDESTVENSK

LATE PERMIAN

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: SYNAPSIDA OSBORN, 1903

SUPERORDER: THERASPID BROOM, 1905

GRANDORDER: EUTHERAPSIDA

ORDER: DEINOCEPHALIA OLSEN, 1962

SUBORDER: TAPINOCEPHALIA BOONSTRA, 1955

INFRAORDER: TITANOSUCHIA

Superfamily: TITANOSUCHOIDEA Olson, 1962

Family: SYODONTIDAE Ivakhnenko, 1994

Syodon biarmicum
= *Cliorhizodon orenburgensis

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