List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Caseidae
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Caseopsis cf. agilis
Olson 1962
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1 individual | |||||||||
| FMNH UR 255 | ||||||||||
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Cotylorhynchus hancocki
Olson and Beerbower 1953
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1 individual | |||||||||
| FMNH UR 266 | ||||||||||
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Angelosaurus greeni n. sp.
Olson 1962
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2 individuals | |||||||||
| FMNH UR 257 (type), 264 | ||||||||||
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Reptilia
- Captorhinidae
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Kahneria seltina
Olson 1962
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2 individuals | |||||||||
| FMNH UR 262 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Knox |
| Coordinates: | 33.7° North, 99.9° West (view map) | ||||
| Paleocoordinates: | 2.7° North, 29.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Stratigraphy
| Geological group: | Pease River | Formation: | San Angelo | Member: | Flowerpot Shale |
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: "Exposures in this locality are predominantly San Angelo with the Flower Pot preserved on some high erosion remnants." (Olson, 1962)
The upper San Angelo Fm. and basal Flowerpot Fm. of Olson (1962) are widely identical to the Flowerpot Shale Member of the upper San Angelo Fm. (see Smith, 1974, University of Texas Bureau of Economic Geology, Report of Investigations No. 80) | |||||
Lithology and environment
| Primary lithology: | green,red argillaceous,sandy "shale" | ||
| Secondary lithology: | sandstone | ||
| Lithology description: for details see Olson (1962 p. 119) | |||
| Environment: | terrestrial indet. | Tectonic setting: | cratonic basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Alexander Ranch | ||
| Database number: | 80669 | ||
| Authorizer: | J. Mueller | Enterer: | J. Dummasch, T. Liebrecht |
| Modifier: | T. Liebrecht | Research group: | vertebrate |
| Created: | 2008-05-03 03:43:50 | Last modified: | 2009-04-04 09:49:30 |
| Access level: | authorizer only | Released: | 2011-05-03 03:43:50 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26846. | E. C. Olson. 1962. Late Permian terrestrial vertebrates, U.S.A. and U.S.S.R. Transactions of the American Philosophical Society, New Series 52(2):1-224 [J. Mueller/J. Dummasch/T. Liebrecht] |