Also known as USGS locality number 8877
Where: Baylor County, Texas (33.6° N, 99.0° W: paleocoordinates 0.3° N, 29.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Belle Plains Formation, Sakmarian to Sakmarian (295.5 - 272.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; poorly lithified shale
Size class: macrofossils
Preservation: adpression
Reposited in the USNM
Collection methods: surface (in situ),
• These specimens were among the collections made by David White in 1910. Material from this area was the source of White's paper (White, D. The characters of the fossil plant Gigantopteris Schenk and its occurence in North America. Proc. U.S. Nat. Mus. 41:493-516. 1912.) dealing with Gigantopteris americana.
•
•However, the material discussed in Mamay 1954, 1976 is a mixture of newly collected material and White's material. Mamay (1976) states that he was unable to exactly relocate White's localities, although the name of one of White's localities (Castle Hollow) may correspond to the description of Mamay (1976) of a broad depression with fossiliferous shale outcropping around its rim.
Primary reference: S. H. Mamay. 1976. Paleozoic origin of the cycads. U.S. Geological Survey Professional Paper 934 [H. Sims/S. Ostrowski]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 11152: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Heather Lindon and Emma Dunne
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Amphibia | |
| |
Equisetopsida | |
Sphenophyllum sp.1 König 1825 | |
Peltaspermopsida | |
Callipteris sp.1 Brongniart 1849
Odontopteris sp.1 Brongniart 1825 | |
Neuropteris sp.1 Brongniart 1828 | |
Neuropteridae | |
Daubreeia sp.1 Zeiller 1888 | |
Polypodiopsida | |
Annularia sp.1 Sternberg 1821 | |
Poacordaites | |
Poacordaites sp.1 Grand'Eury 1877 | |
Pteropsida | |
Pecopteris sp.1 Brongniart 1822 | |
Lepidophyllum | |
Lepidophyllum sp.1 Brongniart 1828 | |
Cycadopsida | |
| |
Diplothmema | |
Diplothmema sp.1 Stur 1877 | |
Lebachia | |
Lebachia sp.1 Florin 1938 | |
Walchia | |
Walchia sp.1 Sternberg 1825 | |
Aspidiopsis sp.1 Potonie 1893 | |
Sigillariaceae | |
Sigillaria sp.1 Brongniart 1822 | |
Pinopsida | |
Cordaites sp.1 Unger 1850 | |
Gomphostrobus sp.1 Marion 1890 | |
Aphlebia | |
Aphlebia sp.1 Presl 1838 | |
Araucarites sp.1 Presl 1833 |