Locality BW (Lower Vale Fm.): Artinskian - Roadian, Texas
collected by WPA Mineral Resource Survey 1936
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Xenacanthiformes
- Xenacanthidae
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Pleuracanthus indet.
Agassiz 1837
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= Xenacanthus sp.
Beyrich 1848
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Olson 1958 | |||||||||
| in channel conglomerate | ||||||||||
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Sphenacodontidae
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Dimetrodon sp.
Cope 1878
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= Dimetrodon gigashomogenes
Case 1907
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Olson 1958 | |||||||||
| corrected as Dimetrodon giganhomogenes | ||||||||||
| in flood plain shale and channel conglomerate | ||||||||||
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Diadectidae
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Diadectes sp.
Cope 1878
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Olson 1958 | |||||||||
| in channel conglomerate | ||||||||||
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Amphibia
- Temnospondyli
- Eryopidae
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Eryops sp.
Cope 1877
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Olson 1958 | |||||||||
| in flood plain shale | ||||||||||
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Amphibia
- Diplocaulidae
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Diplocaulus sp.
Cope 1877
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Olson 1958 | |||||||||
| in red shale | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Knox |
| Coordinates: | 33.7° North, 99.8° West (view map) | ||||
| Paleocoordinates: | 2.2° North, 29.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Permian |
| Key time interval: | Artinskian - Roadian |
| Age range of interval: | 290.10000 - 266.90000 m.y. ago |
Stratigraphy
| Formation: | Vale | Member: | Lower Vale |
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | conglomerate |
| Lithology description: for details see Olson (1958 p. 426) | |
| Environment: | "floodplain" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | TMM | ||
| Collectors: | WPA Mineral Resource Survey | Collection dates: | 1936 |
Metadata
| Also known as: | Alexander Ranch, TMM 30968 | ||
| Database number: | 180992 | ||
| Authorizer: | R. Butler, M. Carrano | Enterer: | E. Dunne, M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2016-08-12 11:08:19 | Last modified: | 2020-01-13 13:52:46 |
| Access level: | the public | Released: | 2016-08-12 11:08:19 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 71467. | Anonymous. 1941. The eighth quarterly report covering the quarter ending March 31, 1941 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-47 [M. Carrano/M. Carrano] |
Secondary references:
| 58444 | E. C. Olson. 1958. Fauna of the Vale and Choza: Summary, Review, and Integration of the Geology and the Faunas. Fieldiana Geology 10(32):397-448 [R. Butler/E. Dunne] | |
| 71494 | E. H. Sellards. 1941. Final report covering the period from March 4, 1939 ro September 30, 1941 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project iii-85 [M. Carrano/M. Carrano] |