Dunbrody, Bezuidenhouts R. (Dun 21): Berriasian - Late Valanginian, South Africa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polypodiopsida
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Cladophlebis bezuidenhoutensis
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10 %-specimens | |||||||||
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Cladophlebis dunbrodiensis
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5 specimens | |||||||||
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Cladophlebis africana
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2 specimens | |||||||||
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Cladophlebis informal sp. C
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2 specimens | |||||||||
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Polypodiopsida
- Polypodiaceae
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Onychiopsis antipodium
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35 %-specimens | |||||||||
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Pteridopsida
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Filicopsida informal gen. A, sp. A
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5 specimens | |||||||||
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Bennettitales
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Zamites recta leaf, seed/fruit
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40 %-specimens | |||||||||
| leaves, also lists 40 scale-leaf, 10 female fruit, 15 seed and 3 male fruit specimens | ||||||||||
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Cycadopsida
- Cycadales
- Nilssoniaceae
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Pseudoctenis bezuidenhoutensis
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5 %-specimens | |||||||||
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Pseudoctenis tatei
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1 specimen | |||||||||
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Equisetopsida
- Araucariaceae
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Araucaria rogersii leaf, seed repro
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10 %-specimens | |||||||||
| foliage shoot specimens, also lists 40 female cone scale and 10 male cone specimens | ||||||||||
| see common names | ||||||||||
Geography
| Country: | South Africa | State/province: | Eastern Cape |
| Coordinates: | 33.5° South, 25.5° East (view map) | ||
| Paleocoordinates: | 44.4° South, 11.5° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Berriasian - Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Berriasian - Late Valanginian | ||
| Age range of interval: | 145 - 132.6 m.y. ago |
Lithology and environment
| Primary lithology: | gray mudstone | ||
| Lithology description: "light to medium light grey, mudstone" (Anderson and Anderson 1985 (ref. 6188)) | |||
| Environment: | lacustrine indet. | Tectonic setting: | cratonic basin |
| Geology comments: "marsh or lake, low energy, fresh to brackish water" (Anderson and Anderson 1985 (ref. 6188)) | |||
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Collection size: | 900 specimens |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BPI |
| Collection method comments: "Several persons, starting apparently with Atherstone & Rubidge (1845-59), have collected from the Wit River and Bezuidenhouts River localities, Dunbrody superlocality. Precise location data (sublocality and supersite) is invariably lacking. We have attempted therefore to plot the assemblage data, based on all available collections, only at the rank of locality." (Anderson and Anderson 1985 (ref. 6188)) the collections reside at the Albany Museum in Grahamstown (AMG), the South African Museum (SAM) in Cape Town, the Bernard Price Institute (BPI) in Johannesburg and the Botanical Research Institute in Pretoria (PRE) | |
Metadata
| Database number: | 11153 | ||
| Authorizer: | H. Sims | Enterer: | S. Ostrowski |
| Modifier: | G. Varnham | Research group: | paleobotany |
| Created: | 2001-07-23 07:26:35 | Last modified: | 2022-04-04 08:42:49 |
| Access level: | the public | Released: | 2001-07-23 07:26:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6188. | J. M. Anderson and H. M. Anderson. 1985. Palaeoflora of Southern Africa. Prodromus of South African Megafloras Devonian to Lower Cretaceous 1-423 [P. Gensel/P. Gensel/P. Wagner] |