Where: Leslie County, Kentucky (36.8° N, 85.5° W: paleocoordinates 17.8° S, 32.5° W)

• coordinate based on political unit

When: Mississippian (360.7 - 318.1 Ma)

• Copland Coal, Breathitt Formation

Environment/lithology: coal ball

Collection methods: Specimens used in this collection are housed in the Paleobotanical Collection, University of Illinois at Chicago Circle, Chicago, Illinois.

Primary reference: C. W. Good. 1971. The Ontogeny of Carboniferous Articulates: Calamite Leaves and Twigs . Palaeontographica 133:137-158 [R. Gastaldo/J. Allen/J. Allen] more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 13593: authorized by Robert Gastaldo, entered by Jonathan Allen on 15.04.2002