Genus: Eriphostoma BROOM, 1911
Etymology: Greek, eriphos, “kid, young goat” and Greek, stoma, “mouth”:
Goat mouth.
= Eoarctops HAUGHTON, 1929
Etymology: Greek, eos, “dawn” + Arctops: Dawn Arctops.
= Galesuchus HAUGHTON, 1915
Etymology: Greek, gala, “weasel” and Greek, soukhos, “crocodile
(m): Weasel crocodile.
= Scylacognathus BROOM,
1913
Etymology: Greek, skylak- (skylax), “young dog” and Greek, gnathos, “jaw” +
us (m): Dog jaw.
Species: microdon BROOM, 1911
Etymology: Greek, micros, "little, small" and Greek, odon, "tooth."
Holotype: AMNH FARB 5524
Locality: Fraserburg Road, Prince Albert Distict, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull.
Referred material:
KAMMERER, SMITH, DAY & RUBIDGE, 2015
Locality: Brak Leegte 297, Beaufort West District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
BP/1/7275: Skull and dentary.
Locality: Amandelboom, Ryers Valley 401, Fraserburg District, Northern Cape Province, South Africa.
Biostratigraphy: Pristerognathus zone.
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
SAM-PK-K1164: Fragmentary skull.
= Hipposaurus sp KAMMER, SMITH DAY, & RUBIDGE, 2015
Locality: Seekoegat, Prince Albert District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
NMQR 3006: Fragmentary skull.
= Scylacognathus parvus BROOM, 1913
Etymology:Holotype: AMG 3751
Locality: Hottentotsriver, Beaufort West District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull.
Referred material:
= Scylacognathus major BROOM, 1935
Etymology: Latin, major, "greater."Holotype: TMP 256
Locality: Leeuwklooff, 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:
Locality: Unknown, South Africa.
Horizon:
Biostratigraphy: Equivalent to the Dicynodon Assemblage zone (formerly Dicynodon lacerticeps-Whaitsia zone of KEYSER, 1979, SACS, 1980, Daptocephalus zone of KITCHING, 1970, 1977, Upper Cistecephalus Zone of WATSON, 1914).
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material:
BP 399: Fragmentary skull.
= Galesuchus gracilis HAUGHTON, 1915
Etymology: Latin, gracilis, "slender."Holotype: SAM-PK-2754
Locality: Abrahamskraal, Prince Albert Distict, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull.
= Eoarctops vanderbyli HAUGHTON, 1929
Etymology:Holotype: SAM-PK-5598
Locality: Abrahamskraal, Prince Albert Distict, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull and fragmentary dentary.
= Galesuchus sp SIGOGNEAU-RUSSELL, 1989Locality: Veldmansrivier, Prince Albert District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
SAM-PK-11846, -11849: Fragmentary skulls.
= Galesuchus sp SIGOGNEAU-RUSSELL, 1989
Locality: Lammerkraal, Prince Albert District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
SAM-PK-K208: Fragmentary skull.
= Galesuchus sp SIGOGNEAU-RUSSELL, 1989
Locality: Louisrus, Beaufort West District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
SAM-PK-K230: Fragmentary skull.
= Eoarctops sp SIGOGNEAU, 1970
Locality: Skoppelmaaikraal, Laingsburg District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
SAM-PK-12220: Fragmentary skull.