Unnamed Silurian locality, somewhere in Indiana (Silurian of the United States)
Where: Indiana (39.7° N, 86.2° W: paleocoordinates 26.7° S, 52.3° W)
• coordinate based on political unit
• basin-level geographic resolution
When: Silurian (443.7 - 416.0 Ma)
• no formation name
Environment/lithology: hardground carbonate
• "carbonate. hardground, shallow"
Primary reference: J. J. Sepkoski Jr. 1998. Rates of speciation in the fossil record. Philosophical Transaction of the Royal Society Biological Sciences 353(1366):315-326 [J. Sepkoski/M. Sommers/A. Clement] more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 511: authorized by Jack Sepkoski, entered by Mike Sommers on 07.01.1999