Bloukrans (Prince Albert District): Capitanian, South Africa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Amphibia
- Temnospondyli
- Rhinesuchidae
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Rhinesuchus whaitsi
Broom 1908
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Boonstra 1969 | |||||||||
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Reptilia
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Bradysaurus strubeni
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Varanopidae
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Anningia megalops n. gen., n. sp.
Broom 1927
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Reisz and Dilkes 1992 | 1 individual | ||||||||
| TMP N. 4024 (type) | ||||||||||
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Titanosuchidae
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Titanosuchus ferox
Owen 1879
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Parascapanodon avifontis
Boonstra 1955
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Boonstra 1969 | |||||||||
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Tapinocephalidae
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Tapinocephalus atherstonei
Owen 1876
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Therocephalia
- Pristerognathidae
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Alopecognathus angusticeps
Broom 1915
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Cynariognathus sp.
Broom 1931
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Pristerognathoides vanwyki n. sp.
(Broom 1925)
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Pristerognathoides parvus
(Boonstra 1954)
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Pristerognathoides minor
Haughton 1918
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Anomodontia
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Dicynodon megalorhinus
(Broom 1904)
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4 specimens | |||||||||
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Dicynodon haughtonianus n. sp.
Huene 1931
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Huene 1931 | |||||||||
| GPIT unumbered, well preserved partial skull and lower jaws | ||||||||||
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Dicynodon jouberti
Broom 1905
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10 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | South Africa | State/province: | Western Cape | County: | Prince Albert |
| Coordinates: | 33.0° South, 22.0° East (view map) | ||||
| Paleocoordinates: | 59.8° South, 35.6° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Capitanian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Capitanian | Zone: | Tapinocephalus or Pristerognathus Assemblage |
| Age range of interval: | 264.28 - 259.51 m.y. ago |
Stratigraphy
| Geological group: | Beaufort | Formation: | Abrahamskraal | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "This locality is considered to be low in the Beaufort Group (middle of the 'Tapinocephalus zone,' Upper Permian) [...] " (Reisz & Dilkes, 1992). The middle Tapinocephalus Zone corresponds to the transition of the Tapinocephalus and Pristerognathus Assemblage Zones of Rubidge et al. (1995, South African Committee for Stratigraphy, Biostratigraphic Series No. 1).
Both Tapinocephalus and Pristerognathus AZs are Capitanian according to Catuneanu et al. (2005, J. Afr. Earth Sci. 43). Since the locality is west of 24°E it very likely is within the Abrahamskraal Fm. (cf. Catuneanu et al., 2005 figs. 24, 25). | |||||
Lithology and environment
| Primary lithology: | not reported | ||
| Environment: | terrestrial indet. | Tectonic setting: | foreland basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | mechanical,survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | TMP |
| Collection method comments: Specimen was poorly preserved already but was further badly damaged by serial sectioning using a relatively thick saw blade (Reisz & Dilkes, 1992).
TMP = Transvaal Museum, Pretoria | |
| Taxonomic list comments:Reisz & Dilkes (1992) state that the locality "has yielded, in addition to A. megalops, several therapsids, including Dicynodon, Titanosuchus, Tapinocephalus, and three pristerognathid therocephalians." | |
Metadata
| Also known as: | Bloukrantz, Blaaukranz | ||
| Database number: | 89650 | ||
| Authorizer: | J. Mueller, A. Dunhill, R. Butler | Enterer: | T. Liebrecht, J. Benito Moreno, B. Allen |
| Modifier: | J. Benito Moreno | Research group: | vertebrate |
| Created: | 2009-06-11 06:31:37 | Last modified: | 2016-03-08 08:10:19 |
| Access level: | the public | Released: | 2009-06-11 06:31:37 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 27216. | 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] |
Secondary references:
| 67683 | L. D. Boonstra. 1969. The fauna of the Tapinocephalus Zone (Beaufort Beds of the Karoo). Annals of the South African Museum 56(1):1-73 [A. Dunhill/B. Allen] | |
| 58372 | F. v. Huene. 1931. Beitrag zur Kenntnis der Fauna der südafrikanischen Karrooformation. Geologische und Palaeontologische Abhandlung 18:157-228 [R. Butler/J. Benito Moreno/J. Benito Moreno] | |
| 30066 | R. R. Reisz and D. W. Dilkes. 1992. The taxonomic position of Anningia megalops, a small amniote from the Permian of South Africa. Canadian Journal of Earth Sciences 29(7):1605-1608 [J. Mueller/T. Liebrecht] |