SOUTH AFRICA
FREE STATE PROVINCE
KESTELL DISTRICT
REXFORD STORE 433 FARM
LOWER LEVELS
BURGERSDORP FORMATION
SUBZONE A FAUNA OF THE CYNOGNATHUS ASSEMBLAGE ZONE
LATE OLENEKIAN
SPATHIAN STAGE
UPPERMOST SCYTHIAN EPOCH
UPPERMOST EARLY TRIASSIC
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
EUTHERIODONTIA
SUBORDER: CYNODONTIA OWEN, 1860
EPICYNODONTIA HOPSON & KITCHING, 2001
INFRAORDER: EUCYNODONTIA
MAMMALIAMORPHA ROWE, 1988
Superfamily: TRITYLODONTIA Cope, 1884 (sensu Kuhne, 1943)
Family: TRIRACHODONTIDAE Crompton, 1955
Langbergia modsei
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SOUTH AFRICA
FREE STATE PROVINCE
KESTELL DISTRICT
EERSTE GELUK 131 FARM
LOWER LEVELS
BURGERSDORP FORMATION
SUBZONE A FAUNA OF THE CYNOGNATHUS ASSEMBLAGE ZONE
LATE OLENEKIAN
SPATHIAN STAGE
UPPERMOST SCYTHIAN EPOCH
UPPERMOST EARLY TRIASSIC
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
EUTHERIODONTIA
SUBORDER: CYNODONTIA OWEN, 1860
EPICYNODONTIA HOPSON & KITCHING, 2001
INFRAORDER: EUCYNODONTIA
MAMMALIAMORPHA ROWE, 1988
Superfamily: TRITYLODONTIA Cope, 1884 (sensu Kuhne, 1943)
Family: TRIRACHODONTIDAE Crompton, 1955
Langbergia modsei
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SOUTH AFRICAFREE (ORANGE FREE) STATE
KESTELL DISTRICT
NORTHEAST BLOEMFONTEIN
EERSTE GELUK FARM
DRIEKOPPEAN FORMATION.
CYNOGNATHUS ZONE
SPATHIAN STAGE
UPPERMOST SCYTHIAN EPOCH TO ANISIAN STAGE
LOWERMOST MID TRIASSIC EPOCH
EARLY TO MIDDLE TRIASSIC
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
EUTHERIODONTIA
SUBORDER: CYNODONTIA OWEN, 1860
EPICYNODONTIA HOPSON & KITCHING, 2001
INFRAORDER: EUCYNODONTIA
MAMMALIAMORPHA ROWE, 1988
Superfamily: TRITYLODONTIA Cope, 1884 (sensu Kuhne, 1943)
Family: TRIRACHODONTIDAE Crompton, 1955
Trirachodon kannemeyeri