Where: Texas (33.7° N, 99.1° W: paleocoordinates 1.4° N, 29.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Artinskian to Artinskian (290.1 - 272.3 Ma)
• Upper middle part of Clyde Formation (unclear whether it is upper part of Artinskian Grape Creek or lower part of Kungurian Talpa Formation)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: microfossils
Collection methods: chemical, acetic,
Primary reference: G. D. Johnson. 1981. Hybodontoidei (Chondrichthyes) from the Wichita-Albany Group (Early Permian) of Texas. Journal of Vertebrate Paleontology 1(1):1-41 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 117094: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2011, edited by Priscilla Vazquez
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
| |
Polyacrodus wichitaensis Johnson 1981 elasmobranch | |
? Acrodus sweetlacruzensis Johnson 1981 elasmobranch
? Acrodus olsoni n. sp. Johnson 1981 elasmobranch | |
|