Where: Colorado (38.3° N, 106.3° W: paleocoordinates 0.0° S, 37.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: "Weber" Formation, Bashkirian to Bashkirian (323.2 - 298.9 Ma)
• The names "Weber shales" and "Weber grits" were rejected by USGS
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; micaceous sandstone and micaceous shale
Size classes: macrofossils, mesofossils
Primary reference: C. B. Read. 1934. A flora of Pottsville age from the Mosquito Range, Colorado. U.S. Geological Survey Prof. Paper 185-D:79-96 [H. Sims/S. Ostrowski/J. Cassara]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 11206: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Alistair McGowan
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Calamites sp. Suckow 1784 | |
Adiantites rockymontanus n. sp.
Adiantites rockymontanus n. sp. | |
Eusphenopteris sp. Weiss 1882 | |
Neuropteris heterophylla | |
"Neuropteris heterophylla" = Imparipteris heterophylla
"Neuropteris heterophylla" = Imparipteris heterophylla Brongniart 1825 | |
Sphenopteridae | |
Stigmaria | |
Lepidodendron sp. Sternberg 1820 | |
Cordaianthus sp. Grand'Eury 1877 | |
Diplothmema | |
Ginkgoopsida | |
Dactylophyllum johnsoni n. gen. n. sp.
Dactylophyllum johnsoni n. gen. n. sp. Read 1934 | |
Neuropteris gigantea | |
"Neuropteris ? gigantea" = Paripteris gigantea
"Neuropteris ? gigantea" = Paripteris gigantea Sternberg 1825 | |
Peltaspermopsida | |
Neuropteridae | |
Neuralethopteris sp. Cremer 1893 | |
Pinopsida | |
Cordaites sp. Unger 1850 | |
Cordaitopsida | |
| |
Lepidostrobus weberensis n. sp.
Lepidostrobus weberensis n. sp. |