ARGENTINA
SERRA DO CADEADO
LATE 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: RHINESUCHOIDEA ROMER, 1947
INFRAORDER: RHYTIDOSTEA SCHOCH & MILNER, 2000
Superfamily: RHYTIDOSTEOIDEA Huene, 1920 (sensu Cosgriff, 1965)
Family: RHYTIDOSTEIDAE Huene, 1920
Subfamily: RHYTIDOSTEINAE emend HUENE, 1920
Gen. Sp indet.
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