CANADA

ARTIC ARCHIPELAGO

NW EXTREMITY OF CAMERON ISLAND

HEIBERG FORMATION

LATE 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

Incertae sedis

*Arctosaurus osborni

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