Tatonduk River, Adams Argillite (Cambrian to of the United States)
Where: Alaska (65.0° N, 141.2° W: paleocoordinates 2.8° N, 70.0° W)
When: Adams Argillite Formation, Botomian to Botomian (516.0 - 510.2 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shale
• Argillite
Size classes: macrofossils, mesofossils
Primary reference: F. Debrenne and R. Wood. 1990. A new Cambrian sphinctozoan sponge from North America, its relationship to archaeocyaths and the nature of early sphinctozoans. Geological Magazine 127(4):435-443 [W. Kiessling/M. Domansky]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 123182: authorized by Wolfgang Kiessling, entered by Marcus Domansky on 13.01.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Archaeocyatha | |
|
Polythalamia americana Debrenne and Wood 1990 archaeocyath sponge | |