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/J. Alroy] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27: authorized by John Alroy, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)