Species: tenuis BROOM, 1925
Etymology:
Holotype: MMK 4046
Locality: Biesjespoort Station, Victoria West District, Northern Cape Province, South Africa.
Horizon:
Biostratigraphy: Dicynodon zone (Dicynodon lacerticeps-Whaitsia zone, KEYSER 1979, SACS 1980, Dicynodon laticerticeps zone KEYSER & SMITH, 1977-78, Daptocephalus zone KITCHING, 1970, 1977, Upper Cistecephalus zone WATSON, 1914)
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Fragmentary skull and fragmentary dentary.
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Species: grimbeeki BROOM, 1935
Etymology:
= Scylacognathus grimbeeki (BROOM, 1935)
Holotype: TMP 245
Locality: Leeuwpoort, Nieuweld, Beaufort West District, Western Cape Province, South Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Fragmentary skull.
Referred material:
= Cynaroides laticeps BROOM, 1935
Etymology:Holotype: TMP 246
Locality: Near the top of a kopje some miles east of Mr. D. Steytler’s house on the farm Kookfontein, near Biesjespoort, Victoria West District, Northern Cape Province, South Africa.
Horizon: Lower Cistecephalus zone, Late Permian.
Material: Skull and dentary.
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Species: broomianus HUENE, 1950
Etymology: In honor of South African palaeontologist R. L. Broom
Holotype: IGP K 51
Locality: Kingori, Tanzania, Tanganyika Territory, East Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Nearly complete skull.
Referred material:
JANENSCH, 1952
Locality: Biejespoort, Victoria West District, Northern Cape Province, South Africa.
Horizon: Hoedemaker member, Middle Teekloof Formation.
Biostratigraphy: Tropidostoma zone (Tropidostoma-Endothidon Assemblage zone KEYSER, 1979, SACS, 1980, Tropidostoma microtrema zone KEYSER & SMITH, 1977-78, Lower Cistecephalus zone KITCHING, 1970, 1977, Endothiodon zone, WATSON, 1914).
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material:
Number: Not given: Fragmentary lower jaw.