Also known as Benbolt Formation, Rye Cove, Virginia
Where: Scott County, Virginia (36.7° N, 82.7° W: paleocoordinates 29.3° S, 62.9° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Benbolt Formation, Caradocian (460.9 - 449.5 Ma)
• Ashbyan
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; lithified, peloidal, shelly/skeletal, gray, argillaceous packstone and lithified, calcareous mudstone
Size class: macrofossils
Preservation: original calcite
Primary reference: R. S. Bassler. 1950. New genera of American Middle Ordovician "Cystoidea". Journal of the Washington Academy of Sciences 40(9):273-277 [S. Holland/S. Holland/S. Holland]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37904: authorized by Steven Holland, entered by Steven Holland on 27.03.2004, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Sowerbyella socialis Cooper 1956 | |
Rhipidomena tennesseensis Willard 1928 | |
Macrocoelia rotunda Cooper 1956
Macrocoelia magna Butts 1942 | |
Rhynchonellata | |
Skenidioides mediocostatus n. sp.
Skenidioides mediocostatus n. sp. | |
Mimella globosa Willard 1928 | |
Dinorthis transversa Willard 1928 | |
Glyptorthis uniformis Cooper 1956 | |
Protozyga uniplicata n. sp.
Protozyga uniplicata n. sp. | |
"Regnellicystis typicalis n. gen. n. sp." = Eumorphocystis multiporata
"Regnellicystis typicalis n. gen. n. sp." = Eumorphocystis multiporata Branson and Peck 1940 | |
Paracrinoidea | |
Columbocystis typica n. gen. n. sp.
Columbocystis typica n. gen. n. sp. Bassler 1950 |