SOUTH AFRICA
EASTERN CAPE PROVINCE
MURRAYSBURG
DRIEFONTEIN 26
MIDDELVLEI
DICYNODON ZONE
TATARIAN AGE
LOPINGIAN SUBEPOCH
ZECHSTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPIDA BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: THERIODONTIA OWEN, 1881
SUBORDER: GORGONOPIA SEELEY, 1895
Superfamily: GORGONOPIOIDEA Lydekker, 1890
Family: GORGONOPIDAE Lydekker, 1890
Subfamily: GORGONOPSINAE Sigogneau, 1970
Arctognathus curvimola
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SOUTH AFRICA
EASTERN CAPE PROVINCE
MURRAYSBURG
HOEKSPLAAS
DICYNODON ZONE
TATARIAN AGE
LOPINGIAN SUBEPOCH
ZECHSTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPIDA BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: THERIODONTIA OWEN, 1881
SUBORDER: GORGONOPIA SEELEY, 1895
Superfamily: GORGONOPIOIDEA Lydekker, 1890
Family: GORGONOPIDAE Lydekker, 1890
Subfamily: GORGONOPSINAE Sigogneau, 1970
Arctognathus curvimola
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