Hess Canyon, Ridge N of Hill 5611 (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Word Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Harold Vokes

Primary reference: A. K. Miller. 1945. Some exceptional Permian ammonoids from west Texas. Journal of Paleontology 19(1):14-21 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113129: authorized by Matthew Clapham, entered by Matthew Clapham on 21.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras girtyi Böse 1919 ammonite
 Goniatitida - Cyclolobidae
Waagenoceras dieneri Böse 1919 ammonite