Where: Nunavut, Canada (76.0° N, 107.9° W)
• Paleocoordinates: 40.7° N, 0.4° W (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Assistance Formation, Roadian (274.4 - 266.9 Ma)
• Assistance Formation is Roadian in age according to Anfinson et al. (2016).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: replaced with other
Reposited in the GSC
Primary reference: J. B. Waterhouse. 1969. Permian Strophalosiidae (Brachiopoda) from the Canadian Arctic Archipelago. Journal of Paleontology 43:28-40 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 112857: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
"Cyrtorostra arctica" = Cyrtorostra laticostata
"Cyrtorostra arctica" = Cyrtorostra laticostata Nechaev 1894 scallop | |
Strophomenata | |
"Wyndhamia unispinosa" = Arcticalosia unispinosa
"Wyndhamia unispinosa" = Arcticalosia unispinosa Waterhouse 1969 |