Where: Clay County, Kentucky (37.1° N, 83.7° W: paleocoordinates 15.4° S, 27.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Breathitt Formation, Carboniferous (358.9 - 298.9 Ma)
• The Breathitt Formation, which contains the coal zone studied, reaches a maximum thickness of about 950 meters, and is composed of clay-shale, siltstone, subgreywacke, and several relatively thin calcium carbonate beds.
• group of beds-level stratigraphic resolution
Environment/lithology: deltaic; graded siltstone and shale
Size classes: macrofossils, microfossils
Preservation: original carbon
Collection methods: surface (in situ), chemical, mechanical,
Primary reference: P. A. Spurgeon and J. R. Jennings. 1985. Pennsylvanian plants of eastern Kentucky: A flora from the Breathitt Formation near Grannies Branch and Rocky Branch of Goose Creek, Clay County, Kentucky. Kentucky Geological Survey Rept. Inv. 3, Series 11 [H. Sims/S. Ostrowski]more details
PaleoDB collection 11203: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Alistair McGowan
Creative Commons license: CC BY (attribution)
Taxonomic list
Asolanus | |
Asolanus sp. Wood 1860 | |
Pteropsida | |
Pecopteris cf. plumosa, "Alethopteris cf. lonchitica" = Pecopteris (Alethopteris)
"Alethopteris cf. lonchitica" = Pecopteris (Alethopteris) | |
Polypodiopsida | |
Asterophyllites longifolius, Asterophyllites charaeformis, Calamites cistii, Calamites undulatus, Annularia galioides
Asterophyllites charaeformis Goeppert 1844
Calamites undulatus Sternberg 1825 | |
Trigonocarpus | |
Trigonocarpus sp. Brongniart 1828 | |
Neuropteris heterophylla | |
"Neuropteris heterophylla" = Imparipteris heterophylla
"Neuropteris heterophylla" = Imparipteris heterophylla Brongniart 1825 | |
Ginkgoopsida | |
unclassified | |
| |
Stigmaria ficoides | |
Stigmaria ficoides Sternberg 1822 | |
Ulodendron majus | |
Ulodendron majus Lindley and Hutton 1831 | |
Bothrodendron | |
Mariopteris nervosa Brongniart 1879 | |
Equisetopsida | |
Bowmanites sp. Binney 1871 | |
Lepidostrobus ? ornatus Brongniart 1828 | |
Sphenopteridae | |