Where: New Mexico (33.0° N, 105.8° W: paleocoordinates 4.4° N, 33.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: San Andres Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

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 113183: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2011

Creative Commons license: CC BY (attribution)