REPUBLIC OF SOUTH AFRICA
WESTERN CAPE PROVINCE
BEAUFORT WEST DISTRICT
A SITE ON THE FARM OF LA-DE-DA
POORTJE MEMBER
TEEKLOOF FORMATION
BEAUFORT GROUP
PRISTEROGNATHUS ASSEMBLAGE ZONE
CAPITANIAN STAGE
UPPER GUADELUPIAN SUBEPOCH
MIDDLE ZECHSTEIN EPOCH
LOWER UPPER PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: HELEOSAURIDAE Haughton, 1924
Subfamily: HELEOSAURINAE Haughton, 1924
Gen. sp indet.
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