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, 1989

Locality: 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.