Abrahamskraal Formation

Abrahamskraal Formation
Stratigraphic range: Late Permian (Capitanian)
Type Geological formation
Unit of Beaufort Group
Underlies Teekloof Formation
Overlies Waterford Formation
Lithology
Primary Sandstone, claystone
Other Mudstone, siltstone
Location
Coordinates 31°24′S 23°06′E / 31.400°S 23.100°E / -31.400; 23.100Coordinates: 31°24′S 23°06′E / 31.400°S 23.100°E / -31.400; 23.100
Approximate paleocoordinates 59°48′S 35°24′W / 59.8°S 35.4°W / -59.8; -35.4
Region Northern, Western & Eastern Cape
Country  South Africa
Extent Karoo Basin
Type section
Named for Farm Abrahamskraal

The Abrahamskraal Formation is the lowermost formation of the Beaufort Group. Early Guadalupian in age, it corresponds to the Eodicynodon Assemblage Zone and to the Tapinocephalus Assemblage Zone.

Fossil content

Fossils Notes
Australosyodon nyaphuli anteosaurid dinocephalian
Tapinocaninus pamelae tapinocephaline dinocephalian
Eodicynodon oosthuizeni basal dicynodont anomodont
Patranomodon nyaphuli basal anomodont
Ictidosaurus angusticeps therocephalian
Glanosuchus macrops therocephalian
Brachyprosopus broomi basal dicynodont anomodont[1]
Alopecodon priscus, Alopecognathus megalops, Anteosaurus magnificus, Bradysaurus angusta, B. strubeni, B. baini, B. seeleyi, Criocephalosaurus vanderbyli, Diictodon feliceps, D. pseudojouberti, Elliotsmithia longiceps, Eriphostoma microdon, Jonkeria koupensis, J. truculenta, J. vanderbyli, Keratocephalus moloch, Robertia broomiana, Scymnosaurus sp., Titanosuchus cloeteri, T. dubius, T. ferox, T. strubeni, Trochosaurus major [2]

References

  1. ↑ De Cypher farm at Fossilworks.org
  2. ↑ Farm Abrahamskraal at Fossilworks.org

Further reading

  • K. D. Angielczyk, B. S. Rubidge, M. O. Day and F. Lin. 2016. A reevaluation of Brachyprosopus broomi and Chelydontops altidentalis, dicynodonts (Therapsida, Anomodontia) from the middle Permian Tapinocephalus Assemblage Zone of the Karoo Basin, South Africa. Journal of Vertebrate Paleontology e1078342
  • Nicolas, Merrill
  • Rubidge, Bruce S. Changes in Permo-Triassic terrestrial tetrapod ecological representation in the Beaufort Group (Karoo Supergroup) of South Africa
  • Lethaia. Vol.43, pp. 45–59
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