ammonites
USGS 2964, 10 miles NW of Kent, Delaware Mountains (Permian to of the United States)

Where: Texas (31.2° N, 104.3° W: paleocoordinates 2.8° N, 33.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Delaware Mountain Formation, Roadian to Roadian (272.5 - 259.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Primary reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651 [P. Wagner/P. Wagner/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108829: authorized by Matthew Clapham, entered by Matthew Clapham on 07.05.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)