Houdkonstant (Cistecephalus Assemblage Zone) (Permian of South Africa)

Also known as Houd Constant, Katbos, Houdconstant

Where: Eastern Cape, South Africa (32.0° S, 24.2° E: paleocoordinates 62.4° S, 29.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cistecephalus Assemblage Zone zone, Balfour Formation (Beaufort Group), Wuchiapingian (259.9 - 254.2 Ma)

• Direct dates for the Cistecephalus Assemblage Zone from Rubidge et al., 2013

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; green, calcareous mudstone

• "All the specimens are preserved in fine-grained green mudstone which may or may not form a nodule surrounding the specimen." (Gow, 1972).

Size class: macrofossils

Collected by J. Kitching in 1945; reposited in the BPI

Primary reference: J. W. Kitching. 1977. The distribution of the Karroo vertebrate fauna. Memoirs of the Bernard Price Institute for Palaeontological Research 1:1-131 [H. Sims/J. Camp]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176339: authorized by Richard Butler, entered by Juan Benito Moreno on 08.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

 Gorgodontia -
Gorgonopsia indet. Seeley 1894 reptile
 Gorgodontia - Gorgonopidae
Arctognathus whaitsi n. sp. Haughton 1924 reptile
SAM-PK-4337, mold of an incomplete skull
 Therapsida -
Dicynodontia indet. Owen 1859 dicynodont
 Therapsida - Cistecephalidae
Cistecephalus microrhinus Owen 1876 dicynodont
Represented by eight skulls
 Therapsida - Pylaecephalidae
"Dicynodon ictidops" = Diictodon feliceps, "Dicynodon nanus" = Diictodon feliceps
"Dicynodon ictidops" = Diictodon feliceps Owen 1876 dicynodont
"Dicynodon nanus" = Diictodon feliceps Owen 1876 dicynodont
 Therapsida - Cryptodontidae
Oudenodon bainii Owen 1860 therapsid
Aulacephalodon bainii Owen 1845 therapsid
 Therocephalia -