Also known as Bed 3 of Cooper & Cooper 1946
Where: Shenandoah County, Virginia (39.0° N, 78.4° W: paleocoordinates 29.7° S, 58.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lincolnshire Limestone Formation, Blackriveran (457.3 - 449.6 Ma)
• peltifer conodont zone
• group of beds-level stratigraphic resolution
Environment/lithology: fine-grained, medium, black, cherty/siliceous limestone
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 73340: 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 | |
Ceratocephala triacantheis n. sp.
Ceratocephala triacantheis n. sp. Whittington and Evitt 1953 trilobite | |
"Amphilichas (Probolichas) pandus n. sp." = Probolichas pandus1
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Sphaerexochus hapsidotus n. sp., Acanthoparypha chiropyga n. sp., Holia secristi n. sp., Heliomeroides teres n. sp.1, Ceraurinella chondra n. sp.
Sphaerexochus hapsidotus n. sp. Whittington and Evitt 1953 trilobite
Acanthoparypha chiropyga n. sp. Whittington and Evitt 1953 trilobite
Holia secristi n. sp. Whittington and Evitt 1953 trilobite
Ceraurinella chondra n. sp. Whittington and Evitt 1953 trilobite | |
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Chomatopyge marginifera n. sp. Whittington and Evitt 1953 trilobite
Mesotaphraspis inornata n. sp. Whittington and Evitt 1953 trilobite
Dimeropyge spinifera n. sp. Whittington and Evitt 1953 trilobite | |
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