1 mile east of Tilson Mill (Ordovician of the United States)

Where: Virginia (37.0° N, 81.4° W: paleocoordinates 29.8° S, 61.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Climacograptus peltifer graptolite zone, Effna limestone Member (Edinburg Formation), Blackriveran (457.3 - 449.6 Ma)

• peltifer conodont zone

• member-level stratigraphic resolution

Environment/lithology: limestone

• Alterations of dark granular limestone and dark fine-grained limestone with spponge spicules

Size class: macrofossils

Preservation: replaced with silica

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 186182: authorized by Pete Wagner, entered by Pete Wagner on 16.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Orthotetida - Triplesiidae
Oxoplecia holstonensis, Oxoplecia abnormis n. sp.
Oxoplecia abnormis n. sp. Cooper 1956