Where: Ripley County, Indiana (39.0° N, 85.0° W: paleocoordinates 27.8° S, 51.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper section Member (Osgood Shale Formation), Silurian (443.8 - 419.2 Ma)

• Listed as Niagaran, Osgood

Environment/lithology: deep subtidal shelf; poorly lithified, calcareous shale and lithified, coarse-grained, gray, argillaceous limestone

Size classes: macrofossils, mesofossils

Primary reference: T.G. Perry and D.E. Hattin. 1960. Osgood (Niagaran) bryozoans from the type area. Journal of Paleontology 34:85-90 [P. Novack-Gottshall/P. Hearn]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 75266: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 01.10.2007

Creative Commons license: CC BY (attribution)