Where: Rockingham County, Virginia (38.5° N, 78.8° W: paleocoordinates 29.8° S, 58.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Edinburg Formation, Blackriveran (457.3 - 449.6 Ma)
Environment/lithology: black limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by G. A. Cooper, H. B. Whittington
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 105247: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Trilobita | |
"Salteria americana" = Salteria primaeva, Ampyxina powelli
"Salteria americana" = Salteria primaeva Wyville Thomson 1864 trilobite
Ampyxina powelli Raymond 1920 trilobite | |
Robergiella sagittalis n. sp., Robergia major
Robergiella sagittalis n. sp. Whittington 1959 trilobite
Robergia major Raymond 1920 trilobite | |