Genus: Arctognathus BROOM, 1911
Etymology: Greek, arktos, “bear”, and Greek, gnathos, “jaw” + us: Bear Jaw.
= Arctognathoides BOONSTRA, 1934
Etymology: Arctognathus + oides, (m): Arctognathus-like one.
= Lycaenodontoides HAUGHTON, 1929
Etymology: Lycaenodon + oides (m): Lycaenodon-like one.

Species: curvimola (OWEN, 1876) BROOM, 1911
Etymology:
= Lycosaurus curvimola OWEN, 1876
= Aelurosaurus curvimola (OWEN, 1876) LYDEKKER, 1890

Holotype: NHMUK (old BMNH) 47339

Locality: Kaga Berg, near Bedford, Eastern Cape, 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.

Referred material:

KAMMERER, 2014

Locality: Middelvlei, Driefontein 26, Murraysburg, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

B 452: Skull.

 

Locality: Hoeksplaas, Murraysburg, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

BP/1/5667: Unprepared skull and jaws.

 

 

Locality: Zuurplaats, Graaff-Reinet State, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

RC 110: Unprepared partial snout and lwoer jaws.

 

Locality: Glencliff, Aberdeen, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

RC 308: Partial skull and lower jaws.

 

Locality: The Rest, Nieu Bethesda, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

RC 454: A partially prepared skull and lower jaws.

 

Locality: Wimbeldon, Graaff-Reinet State, Eastern Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

RC 492: Small poorly preserved skull and lower jaws.

 

Locality: Kranskraal 134, Bloemfontein, Free State, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

NMQR 857: A laterally crushed snout.

 

Locality: Oudeplaats, Richmond, Northern Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

CGS AF 126-83: Skull.

 

Locality: Matjes Valley, Beaufort West, Western Cape Province, South Africa.

Biostratigraphy: Dicynodon zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material:

CGS S 33: Fragmentary skull and lower jaws.

 

= Lycaenodontoides bathyrhinus HAUGHTON, 1929
Etymology:

Holotype: SAM 3329

Locality: Oudeberg, Graaff Reinet District, Eastern 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: Snout, an imperfect pectoral girdle and manus.

 

= Lycaenops pricei BROOM & ROBINSON, 1948
Etymology:

Holotype: BP 174

Locality: Ferndale, Graaff Reinet District, Eastern 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: Skull and mandible.

= Arctognathoides breviceps BOONSTRA, 1934
Etymology:
= Arctognathus breviceps (BOONSTRA, 1934) SIGOGNEAU, 1970

Holotype: SAM-PK-9345

Locality: Ou Plass, Richmond District, Free (Orange Free) State, South Africa.

Horizon: Oudeberg Member, Teekloof Formation.

Biostratigraphy: Cistecephalus zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material: Skull, dentary, a continuous series of 7 cervicals and 9 dorsals, together with some isolated dorsals and caudals, a nearly complete pectoral girdle with a sternum, 2 crushed humeri, right radius, right ulna, a crushed left radius and ulna, some isolated carpals, metacarpals and phalanges.
_____________________________________________________________________________________