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Leitchfield, Kentucky (Glen Dean Fm.) (Carboniferous of the United States)

Where: Grayson County, Kentucky (37.5° N, 86.3° W: paleocoordinates 14.1° S, 29.4° W)

• coordinate based on nearby landmark

When: Glen Dean Limestone Formation, Chesterian (339.4 - 318.1 Ma)

• Lower Chesterian

Environment/lithology: marine

• No geology info given

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 23: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)