Also known as Thaumatopteris Zone
Where: Greenland (70.5° N, 22.6° W: paleocoordinates 52.1° N, 5.2° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Thaumopteris zone, Cape Stewart Formation, Early/Lower Jurassic (201.4 - 174.7 Ma)
• 42 m below top of plant bearing part of Cape Stewart Formation
• bed-level stratigraphic resolution
Environment/lithology: deltaic; yellow sandstone and shale
Size class: macrofossils
Preservation: adpression
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: T. M. Harris. 1937. Stratigraphic relations of the plant beds. The Fossil Flora of Scoresby Sound, East Greenland [A. Rees/D. Sunderlin/D. Sunderlin]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 23950: authorized by Allister Rees, entered by Dave Sunderlin on 24.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Ginkgoopsida | |
Sagenopteris nilssoniana Brongniart 1825 | |
Cycadopsida | |
Pseudoctenis spectabilis cycads | |
Swedenborgia | |
Swedenborgia spp. Nathorst 1876 |