Lower Pennsylvanian Calamite Leaves and Twigs (Carboniferous of the United States)

Where: Leslie County, Kentucky (36.8° N, 85.5° W: paleocoordinates 18.6° S, 32.9° W)

• coordinate based on political unit

When: Mississippian (358.9 - 323.2 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/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

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

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sphenophyllales -
 Equisetales - Equisetidae
Calamites sp. Suckow 1784
Equisetum arvense Linnaeus 1753 horsetail
 Cordaitanthales -
 Cordaitanthales - Cordaitanthaceae
Mitrospermum compressum Williamson 1910