Old Military Crossing, Big Wichita River (YPM coll) (Permian of the United States)
Where: Texas (33.8° N, 99.1° W: paleocoordinates 0.6° N, 30.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Grape Creek Member (Clyde Formation), Artinskian (290.1 - 279.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified siliciclastic sediments
Size class: macrofossils
Reposited in the YPM
Primary reference: F. B. Plummer and G. Scott. 1937. Upper Paleozoic ammonites in Texas. The University of Texas Bulletin 3701:1-516 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 131556: authorized by Matthew Clapham, entered by Matthew Clapham on 26.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Cephalopoda | |
"Perrinites cumminsi" = Metaperrinites cumminsi
"Perrinites cumminsi" = Metaperrinites cumminsi White 1889 ammonite |