Loc. 5. left bank of north fork of Shenandoah rivier, immediately below dam, 1½ mile N61˚E of Edinburg (Ordovician of the United States)

Also known as Cooper & Cooper 1946 Bed 5

Where: Shenandoah County, Virginia (38.8° N, 78.6° W: paleocoordinates 29.7° S, 58.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Botetourt limestone Member (Edinburg Formation), Blackriveran (457.3 - 449.6 Ma)

• peltifer conodont zone

• bed-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: H. B. Whittington and W.R., I.I. Evitt. 1953. Silicified Middle Ordovician trilobites. Geological Society of America Memoir 59:1-139 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73344: authorized by Pete Wagner, entered by Pete Wagner on 12.06.2007, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Encrinuridae
Cybeloides virginiensis1 Cooper 1953 trilobite
subspecies virginiensis
 Phacopida - Cheiruridae
Acanthoparypha perforata2 Whittington and Evitt 1953 trilobite
Ceraurinella typa Cooper 1953 trilobite
 Asaphida - Remopleurididae
Remopleurides caphyroides2 Whittington 1959 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas carinatus2 Cooper 1953 trilobite
Ampyx virginiensis2 Cooper 1953 trilobite
Ampyxina powelli2 Raymond 1920 trilobite