BBRAZIL

MARANHAO STATE

2 1/2 M SOUTH OF PASTOS BONS

PEDERA DE FOGO FORMATION

EARLY PERMIAN

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LABYRINTHODONTIA OWEN, 1860

SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887

MICROORDER: LIMNARCHIA YATES & WARREN, 2000

ORDER: STEREOSPONDYLOMORPHA YATES & WARREN, 2000

SUBORDER: ARCHEGOSAURIFORMES SCHOCH & MILNER, 2000

SUPERFAMILY: ARCHEGOSAUROIDEA MEYER, 1857 (SENSU EFREMOV, 1932)

Family: ARCHEGOSAURIDAE Meyer, 1857

Subfamily: PLATYOPOSAURINAE Huene, 1931

*Prionosuchus plummeri

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