Gateway to the Paleobiology Database
Eckerty, Indiana (Tar Springs Fm.) (Carboniferous of the United States)

Where: Crawford County, Indiana (38.3° N, 86.6° W: paleocoordinates 13.2° S, 29.1° W)

• coordinate based on nearby landmark

When: Tar Springs Formation, Chesterian (339.4 - 318.1 Ma)

• Lower Chesterian

Environment/lithology: marine; shale

• Specimens collected in clay and shale

Primary reference: H. H. Beaver and A. J. Fabian. 1998. Color patterns in Mississippian (Chesterian) blastoids. Journal of Paleontology 72(2):332-338 [J. Alroy/M. Sommers/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

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