Genus: Micropholis HUXLEY, 1859
Etymology:
= Petrophryne OWEN, 1876
Etymology:

Species: stowii HUXLEY, 1859 60
Etymology:

Holotype: NHMUK (old BMNH) R.4382

Locality: Rhenosterbrerg, north-west of New Bethesda, District Graaff Reint, Eastern Cape Province, South Africa.

Horizon: 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: Skull and dentary.

Referred material:

BOY

Locality: Donnybrook, Queenstown, Eastern Cape Province, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

NHMUK (old BMNH) R.4383: Nearly complete skull.

Fragmentary skull.

Fragmentary skeleton.

BROILI & SCHRODER, 1937 (XXV)

Munchn. Samml. Nr. 1934 VIII 42, 43: Skull and skeleton of 5 individuals (in various degrees of preservation).


EATON, 1974

Locality: Wonderkrantz, Harrismith District, Free (Orange Free) State, South Africa.

Horizon: 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:

UCMP VP 42879: Skull Roof.

SCHOCH & RUBIDGE, 2005

UCMP 173220: Good palate.

 

 

SCHOCH, 2002, SCHOCH & RUBIDGE, 2005

Locality: Harmonie, Steynsburg, Eastern Cape Provine, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

BP/I/2501: Good skull.

BP/I/2506: Broad-skulled morph, palate.

BP/I/2507: Juvenile skull.

 

Locality: Fairydale, Bethuile, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

BP/I/5215: Good skull roof.

BP/I/5573: Larval skull table.

 

Locality: Oranje, Bethuile, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

NMQR 390: Small adult skull with good palate, broad-headed morph.

NMQR 3382: Small adult skull and anterior postcranial skeleton.

 

Locality: Fairydale, Bethulie, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

SAM K8550: Largest skull, slender-headed.

 

Locality: Queens Hill, Harrismith, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

BP/I/5603: Juvenile skull.

 

Locality: Klipfontein, Rouxville, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

SAM 1: Uncatalogued skull.

SAM K1099: Small larval skull.

 

Locality: South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone.

Age: Early Scythian Epoch, Early Triassic.

Material:

SAM K 3102:


WATSON

Locality: Doonnybrook, Upper Zwartkei, District Queenstown, Eastern Cape Province, South Africa.

Horizon: 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:

Two fragmentary skulls and skeletons.

SCHOCH & RUBIDGE, 2005

BSM 1934 VIII 43: 5 fairly complete skulls and skeletons embedded in a single block.

 

= Petrophryne granulata OWEN, 1876
= Micropholis granulata (OWEN, 1876) LYDEKKER, 1890
Etymology:

Holotype: NHMUK (old BMNH) R.510

Locality: Doonnybrook, Upper Zwartkei, District Queenstown, Eastern Cape Provicne, South Africa.

Horizon: 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: Fragmentary skull and fragmentary skeleton.

Referred material:

NHMUK (old BMNH) R510a: Skull.

BSP 1934 VIII 42: 3 near-complete skeletons.