SOUTH AFRICA

FREE STATE (ORANGE FREE STATE) PROVINCE

ELLIOT DISTRICT

FROM A ROAD CUT NEAR SUMMIT OF HTE BARKLY PASS

CLARENS FORMATION

STORMBERG SERIES

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974

SUBORDER: HETERODONTOSAURIA COOPER, 1985 (emend)

Family: HETERODONTOSAURIDAE Kuhn, 1966

*Geranosaurus atavus