Also known as bed 3 of Cooper and Cooper 1946 section 11

Where: Shenandoah County, Virginia (38.8° N, 78.5° W: paleocoordinates 29.7° S, 58.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lincolnshire Formation, Ashbyan (460.9 - 449.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: replaced with silica

Collected by W. R. Evitt, H. B. Whittington; reposited in the USNM

Collection methods: chemical,

Primary reference: H. B. Whittington. 1959. Silicified Middle Ordovician trilobites: Remopleuridae, Trinucleidae, Raphiophoridae, Endymioniidae. Bulletin of the Museum of Comparative Zoology 121(8):371-496 [M. Hopkins/M. Hopkins] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105246: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.02.2011