Where: Texas (31.1° N, 98.5° W: paleocoordinates 9.6° S, 36.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Smithwick Formation, Moscovian (315.2 - 307.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collection methods: Repository: Plummer Collection, Bureau of Economic Geology, The University of Texas.

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 128641: authorized by Matthew Clapham, entered by Matthew Clapham on 14.06.2012

Creative Commons license: CC BY (attribution)