Where: Burnet County, Texas (30.9° N, 98.4° W: paleocoordinates 17.8° S, 96.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Aphelaspis trilobite zone, Cap Mountain Limestone Member (Riley Formation), Steptoean (497.0 - 493.5 Ma)
• either upper Cap Mountain or Lion Mountain member; Armstrong et al. (2020) indicate the latter.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size class: macrofossils
Collected by Ulrich, Willis, Taff
Primary reference: A. R. Palmer. 1954. The Faunas of the Riley Formation in Central Texas. Journal of Paleontology 28(6):709-786 [P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 208992: authorized by Melanie Hopkins, entered by Melanie Hopkins on 20.04.2020, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
| Trilobita | |
|
Aphelaspis walcotti Resser 1938 trilobite | |
Blountia morgancreekensis n. sp.
Blountia morgancreekensis n. sp. Armstrong et al. 2020 trilobite | |
| Paterinata | |
|
Dictyonina perforata Palmer 1954 | |
| Lingulata | |
|
Angulotreta triangularis Palmer 1954 | |
| unclassified | |
|
Porifera indet. Grant 1836 | |