Where: Texas (31.5° N, 105.0° W: paleocoordinates 2.8° N, 34.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bone Spring Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: G. H. Girty. 1929. New Carboniferous invertebrates - II. Journal of the Washington Academy of Sciences 19:406-415 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151306: authorized by Matthew Clapham, entered by Matthew Clapham on 26.09.2013

Creative Commons license: CC BY (attribution)