Where: Kansas (38.0° N, 97.0° W: paleocoordinates 2.7° N, 26.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Wellington Formation, Asselian to Asselian (298.9 - 272.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology:
Size class: macrofossils
Preservation: mold/impression, original carbon
Primary reference: D. White. 1912. The characters of the fossil plant Gigantopteris Schenk and its occurrence in North America. Proceedings of the United States National Museum 41:493-516 [H. Sims/S. Ostrowski/A. McGowan]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 24629: authorized by Hallie Sims, entered by Heather Lindon on 12.08.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Peltaspermopsida | |