Road cut and quarry on U. S. Highway 25W, 4.7 miles south of Clinton (Ordovician of the United States)

Where: Virginia (36.0° N, 84.1° W: paleocoordinates 29.6° S, 70.0° W)

• coordinate based on nearby landmark

When: Elway Formation, Chazyan (470.0 - 457.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, fine-grained, gray, cherty/siliceous limestone

• The rock is usually a fine-grained, light-gray limestone interbedded with layers of dark-gray to black chert.

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Reposited in the USNM

Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 203292: authorized by Pete Wagner, entered by Pete Wagner on 08.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Strophomenida - Strophomenidae
Rhipidomena subparallela n. sp.
Rhipidomena subparallela n. sp. Cooper 1956