Where: Tazewell County, Virginia (37.2° N, 81.5° W: paleocoordinates 29.6° S, 61.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Plectodina aculeata conodont zone, Peery Limestone Member (Cliffield Formation), Ashbyan (457.3 - 449.6 Ma)
• Ashbyan. Cliffield Formation, Peery Limestone Member,
• member-level stratigraphic resolution
Environment/lithology: black, gray, argillaceous limestone
Size classes: macrofossils, microfossils
Primary reference: B. N. Cooper and C. E. Prouty. 1943. Stratigraphy of the Lower Middle Ordovician of Tazewell County, Virginia. Bulletin of the Geological Society of America 54:819-886 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 33544: authorized by Steven Holland, entered by Tori Hanson on 02.08.2003, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Polylopia | |
| |
Ostracoda | |
| |
Trilobita | |
| |
Pseudosphaerexochus sp. Schmidt 1881 trilobite | |
Bivalvia | |
Cyrtodonta sp. Billings 1858 clam | |
Cephalopoda | |
| |
Gonioceras sp. Hall 1847 | |
Kionoceras sp. Hyatt 1884 | |
Rostroconchia | |
? Pojetaconcha sp.1 Waterhouse 1987 | |
Gastropoda | |
Raphistomina sp. Ulrich and Scofield 1897 snail | |
| |
| |
| |
"Lophospira bicincta" = Lophospira milleri, "Lophospira procera" = Lophospira milleri, Lophospira perangulata, Lophospira aff. perangulata2, "Lophospira aff. ampla" = Paupospira tropidophora
| |
Phragmolites cf. triangularis, "Bucania emmonsi" = Loxobucania emmonsi
| |
Rhynchonellata | |
Mimella sp. Cooper 1930 | |
Strophomenata | |
Sowerbyella sp. Jones 1928 | |
Sowerbyites sp. Teichert 1937 | |
Strophomena filitexta, "Strophomena tenuitesta" = Rhipidomena tenuitesta
| |
Tetradium | |
|