Confusion Range CONR-155 (Permian of the United States)

Where: Millard County, Utah (39.3° N, 113.7° W: paleocoordinates 14.2° N, 35.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• 155 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; shelly/skeletal, silty, cherty/siliceous wackestone

• silty, spiny, brachiopod wackestone (chertified)

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 39722: authorized by David Bottjer, entered by Matthew Clapham on 05.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Strophomenata
 Productida - Aulostegidae
Ctenalosia fixata Cooper and Stehli 1955
 Productida - Productellidae
cf. Echinauris subhorrida Meek 1877
Written "Echinauris" subhorrida
Rhynchonellata
 Spiriferinida - Pennospiriferinidae