Huffman Quarry ¾ miles southeast of the Insane Asylum, southeastern Dayton (Silurian of the United States)

Where: Montgomery County, Ohio (39.7° N, 84.1° W: paleocoordinates 24.4° S, 54.3° W)

• outcrop-level geographic resolution

When: Brassfield Limestone Member (Brassfield Formation), Alexandrian (443.4 - 436.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: A. F. Foerste. 1893. Fossils of the Clinton group in Ohio and Indiana. Report of the Geological Survey of Ohio 7(5):516-597 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172921: authorized by Pete Wagner, entered by Pete Wagner on 31.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Eotomariidae
"Raphistoma affine" = Liospira affinis
"Raphistoma affine" = Liospira affinis Foerste 1887 snail
 Bellerophontida - Plectonotidae
Plectonotoides boucoti Peel 1974 snail