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

Where: Eastern Cape, South Africa (32.0° S, 24.6° E: paleocoordinates 62.6° S, 28.7° W)

• coordinate based on political unit

• local area-level geographic resolution

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

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

• group of beds-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 S.H. Rubidge in 1938

• R.C. = "S. H. Rubidge collection housed on the farm Wellwood near Graff Reinet" (Gow, 1972)

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 174717: authorized by Richard Butler, entered by Juan Benito Moreno on 25.11.2015, edited by Richard Butler and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Therapsida - Gorgonopidae
Scylacops capensis5 Broom 1913 therapsid
SAM-PK-3444, complete skull
Dinogorgon rubidgei n. gen. n. sp.5 Broom 1936 therapsid
RC 1, compressed snout with anterior part of lower jaw
 Therocephalia - Akidnognathidae
Promoschorhynchus platyrhinus4 Brink 1954 therapsid
RC 116, small skull with lower jaw
 Therocephalia - Ictidosuchidae
Ictidosuchoides rubidgei n. sp.4 Broom 1936 therapsid
RC 6, partial small skull
 Therocephalia - Scaloposauridae
Pelictosuchus paucidens n. gen. n. sp.4
Pelictosuchus paucidens n. gen. n. sp.4 Broom 1940 therapsid
RC 31, partial skull
 Dicynodontia -
 Dicynodontia - Pylaecephalidae
"Dicynodon rubidgei" = Diictodon feliceps
"Dicynodon rubidgei" = Diictodon feliceps Owen 1876 dicynodont
 Dicynodontia -
"Emydops cf. microdon" = Pristerodon mackayi4
"Emydops cf. microdon" = Pristerodon mackayi4 Huxley 1868 dicynodont
RC 136, small skull with lower jaw and partial skeleton
 Dicynodontia - Emydopidae
Palemydops rubidgeae n. sp. Broom 1937 dicynodont
RC No. 8, a skull
 Dicynodontia - Cistecephalidae
Cistecephalus microrhinus Owen 1876 dicynodont
Four skulls
 Dicynodontia -
"Dicynodon anneae n. sp." = Dinanomodon gilli2, "Dicynodon whitsonae n. sp." = Dinanomodon gilli4
"Dicynodon anneae n. sp." = Dinanomodon gilli2 Broom 1932 dicynodont
RC 42 a dorsoventrally crushed skull with a poorly preserved ventral surface
"Dicynodon whitsonae n. sp." = Dinanomodon gilli4 Broom 1932 dicynodont
RC 42, small skull
 Anomodontia - Cryptodontidae
"Dicynodon wellwoodensis n. sp." = Oudenodon bainii1
"Dicynodon wellwoodensis n. sp." = Oudenodon bainii1 Owen 1859 therapsid
TM 262, a well preserved skull missing the lest temporal arch and the edge of the occiput
 Therapsida -
"Hipposaurus rubidgei n. sp." = Lycaenodon longiceps3
"Hipposaurus rubidgei n. sp." = Lycaenodon longiceps3 Broom 1925 therapsid
RC 20