ammonites
banner
Gateway to the Paleobiology Database
USGS 6672 blue, Sierra Diablo (Permian of the United States)

Where: Texas (31.5° N, 104.9° W: paleocoordinates 3.1° N, 33.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Brushy Canyon Formation, Roadian (272.5 - 268.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: R. M. Finks. 1995. Some new genera of Paleozoic calcareous sponges. University of Kansas Paleontological Contributions 6:1-9 [D. Bottjer/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108405: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2011

Creative Commons license: CC BY (attribution)