Bon Well Hill, Waynesville Fm., Franklin Co. (Ordovician of the United States)

Where: Franklin County, Indiana (39.4° N, 85.0° W: paleocoordinates 25.3° S, 58.4° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Waynesville Formation, Richmondian (449.5 - 443.7 Ma)

• "early Richmondian"

Environment/lithology: offshore; shale

• "shelly claystone bed (1 exposure) BA4. offshore"

Size class: macrofossils

Primary reference: R. C. Frey. 1987. The paleoecology of a Late Ordovician shale unit from southwest Ohio and southeastern Indiana. Journal of Paleontology 61:242-267 [M. Uhen/J. Ju/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 371: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Frey, 1987b"
Trilobita
 Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936 trilobite
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
Lingulata
 Lingulida - Trematidae
Trematis sp. Sharpe 1848
 Lingulida - Obolidae
Bivalvia
 Myalinida - Ambonychiidae
 Ostreida - Pterineidae
"Caritodens demissa" = Pterinea demissa
"Caritodens demissa" = Pterinea demissa Conrad 1842 oyster
 Modiomorphida - Modiomorphidae
"Psiloconcha suberecta" = Cymatonota clam
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites subcompressa Ulrich and Scofield 1897 snail
Tentaculita
 Cornulitida - Cornulitidae
Cornulites sp. Schlotheim 1820
Cephalopoda
 Orthocerida - Proteoceratidae
Treptoceras duseri Hall and Whitfield 1875