Harding Formation Trilobites B (Ordovician of the United States)

Where: Fremont County, Colorado (38.0° N, 105.0° W: paleocoordinates 14.9° S, 74.0° W)

• local area-level geographic resolution

When: Harding Formation, Caradoc (458.4 - 449.5 Ma)

• Stratigraphy from "Harding and Fremont Formations, Colorado" Sweet 1954.

• formation-level stratigraphic resolution

Environment/lithology: marine; chert

• Environments from S. Holland

Size class: macrofossils

Preservation: mold/impression

Primary reference: E. A. Frederickson and J. M. Pollack. 1952. Two Trilobite Genera from the Harding Formation (Ordovician) of Colorado. Journal of Paleontology 26(4):641-644 [S. Holland/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 170686: authorized by Melanie Hopkins, entered by Melanie Hopkins on 26.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Dimeropygidae
Toernquistia sp.
Toernquistia sp. Reed 1896 trilobite