"Gerster Gulch", Deep Creek Range GH-365 (Permian of the United States)

Where: Tooele County, Utah (40.1° N, 113.8° W: paleocoordinates 14.9° N, 35.2° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• 365 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 packstone

• silty, skeletal, pelletal packstone

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 39557: authorized by David Bottjer, entered by Matthew Clapham on 30.05.2004, edited by Lindy Edwards

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida -
Pectinoidea indet. Rafinesque 1815 scallop
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
"Ramose bryozoa"
Strophomenata
 Productida - Aulostegidae
Ctenalosia fixata Cooper and Stehli 1955
 Productida - Productellidae
cf. Echinauris subhorrida Meek 1877
Written "Echinauris" subhorrida
 Productida - Linoproductidae
cf. Grandaurispina "n. sp. A" Muir-Wood and Cooper 1960
Written "Grandaurispina" n. sp. A
 Productida - Rugosochonetidae
 Orthotetida - Derbyiidae
Derbyia sulca Branson 1930
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia elongata Cooper 1953
"n. ssp."
 Athyridida - Athyrididae
 Terebratulida - Cranaenidae
? Girtyella sp. Weller 1911
 Terebratulida - Gillediidae
 Terebratulida - Dielasmatidae
Plectelasma "n. sp. A" Cooper and Grant 1969
Plectelasma "n. sp. B" Cooper and Grant 1969
Dielasma phosphoriense Branson 1930
 Spiriferida - Paeckelmanellidae
 Spiriferida - Spiriferellidae
Timaniella cf. pseudocamerata Girty 1920
Written Timaniella "pseudocamerata"
Anthozoa
 Rugosa -
Rugosa indet. horn coral
"Horn corals"