Locality 2 of Berman 1970 Figure 2: Leonardian, Texas
collected by Ted Emsoff 1973
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Palaeonisciformes
|
||||||||||
|
Luederia kempi n. gen., n. sp.
Schaeffer and Dalquest 1978
|
1 specimen | |||||||||
| AMNH 8998 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Baylor |
| Coordinates: | 33.7° North, 99.1° West (view map) | ||||
| Paleocoordinates: | 2.0° North, 28.8° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Permian | Epoch: | Cisuralian |
| 10 m.y. bin: | Permian 2 | ||
| Key time interval: | Leonardian | ||
| Age range of interval: | 286.10000 - 273.01000 m.y. ago |
Stratigraphy
| Formation: | Lueders | Member: | Maybelle Aa2 Limestone | ||
| Stratigraphy comments: "Lueders Formation, Maybelle Aa2 Limestone Member, Lower Permian (Leonardian)" |
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | marine indet. |
| Geology comments: There is no discussion of environment in the paper, but elsewhere (Dalquest and Kocurko 1986) the Maybelle Limestones have been noted as alternating marine/freshwater with Luederia belonging to the former. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | Ted Emsoff | Collection dates: | 1973 |
| Collection method comments: "In 1973 Ted Emsoff, a student at Midwestern University, discovered a large (150 mm. long), massively ossified neurocranium, apparently palaeoniscoid, and an associated median rostral element, in the Lower Permian Lueders Formation near the Lake Kemp Dam in Baylor County, Texas. This unique specimen was presented by Emsoff and Walter Dalquest to the American Museum of Natural History." | |||
Metadata
| Database number: | 125710 | ||
| Authorizer: | G. Lloyd | Enterer: | G. Lloyd | Research group: | vertebrate |
| Created: | 2012-03-16 22:01:58 | Last modified: | 2012-03-16 06:01:58 |
| Access level: | the public | Released: | 2012-03-16 22:01:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 40820. | B. Schaeffer and W. W. Dalquest. 1978. A palaeonisciform braincase from the Permian of Texas, with comments on cranial fissures and the posterior myodome. American Museum Novitates 2658:1-15 [G. Lloyd/G. Lloyd] |