Genus: Tetracynodon BROOM & ROBINSON, 1948
Etymology: Greek, tetra, “four” and Greek, kynodon, “canine tooth”:
Four canine teeth.
= Homodontosaurus BROOM, 1949
Etymology: Greek, homos, “same,” Greek, odont- (odous), “tooth” and
Greek, sauros, “lizard”: Same-toothed lizard.
Species: tenuis BROOM & ROBINSON, 1948
Etymology:
Holotype: RC 89
Locality: New Bethesda Commonage, Graaff Reinet District, Eastern Cape Province,
South Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Skull and lower jaw.
Referred material:
FONTANARROSA, ABDALA, KUMMELL & GESS, 2018
Locality: Farm Carlton Heighs, Pixley ka Seme District, Northern Cape Province, South Africa.
Horizon: Katberg Formation.
Biostratigraphy: Lystrosaurus Assemblage zone (Lystrosaurus-Thrinaxodon zone,
KEYSER, 1979, SACS, 1980, Procolophon zone, Lystrosaurus zone, WATSON, 1914,
BROOM, 1906).
Age: Early Scythian Epoch, Early Triassic.
Material:
AM 3677: Fragmentary skull and skeleton.
= Homodontosaurus kitchingi BROOM, 1949
Etymology: In honor of James W. Kitching, a prominent South African palaeontologist.
Holotype: BP F 858/M14
Locality: Osfontein, Graaff Reinet District, Eastern Cape Province, South
Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Skull.
After Broom, 1949
Paratype:
BP F 2102/M 194 (BRINK, 1950)
Locality: Watervall, about 7 miles north of Osfontein, Graaff Reinet District,
Eastern Cape Province, South Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Skull and fragmentary skeleton.
_____________________________________________________________________________________
Species: darti SIGOGNEAU
Etymology:
Holotype: BP/1/2710 (old Bernard Price Institute F3710-M352)
Locality: Admiralty Estates, Oliviershoek Pass, Bergville District, KwaZulu Natal Province, South
Africa.
Horizon: Normadien Formation (old Katberg Formation), Beaufort Group.
Biostratigraphy: Lystrosaurus Assemblage zone (Lystrosaurus-Thrinaxodon zone,
KEYSER, 1979, SACS, 1980, Procolophon zone, Lystrosaurus zone, WATSON, 1914,
BROOM, 1906).
Age: Early Scythian Epoch, Early Triassic.
Material: Nearly complete skull and fragmentary skeleton.
Referred material:
SIGURDSEN, HUTTENLOCKER, MODESTO, ROWE & DAMIANI, 2012
= Therocephalia (?Tetracynodon darti)
BP/1/4335: Skeleton lacking skull.
DAMIANI, NEVELING, MODESTO & YATES, 2004
Locality: Agterkamp hill, Farm Barendskraal, near Middleburg, Eastern Cape
Province, South Africa.
Horizon: Palingkloff Member, Balfour Formation, Beaufort Group.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
BP/1/6026: Incomplete but articulated skull and postcranial skeleton.
SIGURDSEN, HUTTENLOCKER, MODESTO, ROWE & DAMIANI, 2012
Locality: Wonderkrantz, Harrismith, Free State, South Africa.
Horizon: Harrismith Member, Normadien Formation.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
= Prolacerta
BP/1/4568: Unpublished.
= Scaloposauridae
UCMP 42869: Unpublished.
= Cynodont?
UCMP 42881: Unpublished.
= Thrinaxodon
UCMP 42882: Unpublished.
= Scaloposauridae
UCMP 78395, 78396, 78394: Unpublished.
Locality: Bergendal, Middleburg, Eastern Cap, South Africa.
Horizon: Upper Palingkloff Member, Balfour Formation, Beaufort Group.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
NMQR 3597: Unpublished.
= Tetracynodon sp
Locality: Zeekoegat 77 (top of old Wapadsberg Pass), Graaff-Reinet, Eastern
Cape Province, South Africa.
Horizon: Kateberg Formation.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
SAM-PK-K10218: Unpublished.
Locality: Bethal, Bethulie District, Free State, South Africa.
Horizon: Kateberg Formation.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
NMQR 3745: Unpublished.
Locality: Fairydale, Bethulie District, Free State, South Africa.
Horizon: Kateberg Formation.
Biostratigraphy: Lystrosaurus Assemblage zone.
Age: Early Scythian Epoch, Early Triassic.
Material:
NMQR 3746: Unpublished.