Dry Creek Shale, loc. 32107/20A2 (Cambrian of the United States)

Where: Wyoming (42.6° N, 109.2° W: paleocoordinates 8.1° S, 84.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dry Creek Shale Formation, Dresbachian (497.0 - 485.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Primary reference: A. B. Shaw. 1956. A Cambrian Aphelaspis fauna from Steele Butte, near Boulder, Wyoming. Journal of Paleontology 30:48-52 [S. Peters/S. Peters/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56145: authorized by Shanan Peters, entered by Shanan Peters on 13.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Pseudomatthevia
  -
Tergomya
 Kiringellida -
Hypseloconus simplex Lochman and Duncan 1944
Trilobita
 Ptychopariida - Lonchocephalidae
"Raaschella occidentalis" = Glaphyraspis
"Raaschella occidentalis" = Glaphyraspis trilobite
 Corynexochida - Cheilocephalidae
 Olenida - Aphelaspidae
Aphelaspis walcotti Resser 1938 trilobite