Progyrolepis tricessimalaris-type locality, Rattlesnake Canyon: Autunian, Texas
collected by Dr Theodore E. White 1933
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Elonichthyiformes
- Acrolepidae
|
||||||||||
| 1 specimen | ||||||||||
| MCZ 6619 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Archer |
| Coordinates: | 33.7° North, 98.9° West (view map) | ||||
| Paleocoordinates: | 1.8° South, 30.6° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Permian | Epoch: | Cisuralian |
| 10 m.y. bin: | Permian 1-2 | ||
| Key time interval: | Autunian | ||
| Age range of interval: | 298.9 - 283.3 m.y. ago |
Lithology and environment
| Primary lithology: | gray calcareous claystone |
| Lithology description: "...contained in a highly calcareous, gray clay..." | |
| Environment: | terrestrial indet. |
| Geology comments: Admiral Formation is generally thought to be terrestrial/near shore, but there is insufficient information in the paper to assign it to a specific environment. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Dr Theodore E. White | Collection dates: | 1933 |
| Collection method comments: Museum of Comparative Zoology expedition of Harvard University. | |||
Metadata
| Database number: | 124982 | ||
| Authorizer: | G. Lloyd | Enterer: | G. Lloyd |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2012-03-02 03:54:51 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-03-02 03:54:51 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 40519. | D. H. Dunkle. 1946. A new palaeoniscoid fish from the Lower Permian of Texas. Journal of the Washington Academy of Science 36:402-409 [G. Lloyd/G. Lloyd] |