Where: Nunavut, Canada (65.7° N, 71.9° W: paleocoordinates 8.6° S, 40.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Blackriveran to Blackriveran (457.3 - 449.6 Ma)
• equivalent strata to Bad Cache Rapids Formation, Wilderness-Barneveld age
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: J. K. Rigby. 1977. Two new Middle Ordovician sponges from Foxe Plain, southeastern District of Franklin. Geological Survey of Canada Bulletin 269:121-129 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 120922: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Heteractinida | |
Asteriospongia anatrope Rigby 1977 | |
Demospongiae | |
Incrassospongia rhipidos n. gen. n. sp.
Incrassospongia rhipidos n. gen. n. sp. Rigby 1977 demosponge |