Horz. OC8, Clear Creek Sect., Open Door Fm., WY - Lochman and Hu 1960 (Cambrian of the United States)

Where: Sublette County, Wyoming (43.3° N, 109.8° W: paleocoordinates 7.6° S, 83.9° W)

• local area-level geographic resolution

When: Conaspis zone, Open Door Limestone Formation, Franconian (497.0 - 485.4 Ma)

• 1 foot below base of Bighorn dolomite.

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, dolomitic, gray limestone

• fine grained, gray, sugary dolomitic limestone.

Preservation: replaced with silica

Collection methods: chemical,

• Collected from 1938 to 1941 by the Texas Christian University Geology Department.

Primary reference: C. Lochman and C. H. Hu. 1960. Upper Cambrian faunas from the northwest Wind River Mountains, Wyoming. Part 1. Journal of Paleontology 34(5):793-834 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8948: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Calcareous algae found in the section is not included in the taxonomic list.
Strophomenata
 Billingsellida - Billingsellidae
Billingsella sp. Hall and Clarke 1892
Trilobita
 Olenida - Parabolinoididae
Taenicephalus sp. Ulrich and Resser 1924 trilobite
species modifier is "sp. undet.)