Southern Pequop Mountains SPM-180 (Permian of the United States)

Where: Elko County, Nevada (40.5° N, 114.7° W: paleocoordinates 15.6° N, 35.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Gerster Formation (Park City Group), Capitanian (265.1 - 259.9 Ma)

• 180 feet above base of measured section

•originally entered as Wordian: changed to Capitanian on 19 September 2006

• group of beds-level stratigraphic resolution

Environment/lithology: marine; peloidal, shelly/skeletal, silty wackestone

• very silty, fossiliferous, pelletal wackstone

Size class: macrofossils

Preservation: replaced with silica

Collection methods: bulk, chemical,

Primary reference: B. R. Wardlaw. 1977. The biostratigraphy and paleoecology of the Gerster Limestone (Upper Permian) in Nevada and Utah. U.S.G.S. Open File Report 77(470):1-125 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 39523: authorized by David Bottjer, entered by Matthew Clapham on 30.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
"Ramose bryozoa"
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Strophomenata
 Productida - Aulostegidae
Ctenalosia fixata Cooper and Stehli 1955
 Productida - Echinoconchidae
 Productida - Productellidae
cf. Echinauris subhorrida Meek 1877
Written "Echinauris" subhorrida
Rhynchonellata
 Athyridida - Athyrididae
Composita mira Girty 1899