Where: Northwest Territories, Canada (62.4° N, 127.1° W: paleocoordinates 6.9° N, 51.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Delorme Formation, Sheinwoodian (433.4 - 430.5 Ma)
• talus sample from 587 m
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified lime mudstone and lithified wackestone
Size class: macrofossils
Primary reference: J. K. Rigby and B. D. E. Chatterton. 1999. Silurian (Wenlock) demosponges from the Avalanche Lake area of the Mackenzie Mountains, southwestern District of Mackenzie, Northwest Territories, Canada. Palaeontographica Canadiana 16:1-43 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 121381: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.12.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Palaeomanon cratera Roemer 1848 demosponge | |
Patellispongia alternata Rigby and Chatterton 1989 demosponge
Archaeoscyphia rectilinearis de Freitas 1989 demosponge |