Where: Nunavut, Canada (74.6° N, 97.6° W: paleocoordinates 7.9° S, 22.5° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Polygnathus inversus conodont zone, Middle Member (Disappointment Bay Formation), Late/Upper Emsian (402.5 - 391.9 Ma)
• Three collections, C2681, C2682, and C3217, are in increasing stratigraphic order, the first from the lowest of three members, the second two from the middle member. C3217 seen as correlative with Elythyna beds of Nevada and conodont zone 9 of Klapper et al. 1971.
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; dolomite
Size classes: macrofossils, mesofossils
Reposited in the GSC
Primary reference: J. G. Johnson. 1975. Late Early Devonian brachiopods from the Disappointment Bay Formation, Lowther Island, Arctic Canada. Journal of Paleontology 49(6):947-978 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 26625: authorized by Michael Foote, entered by Michael Foote on 18.10.2002, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
"Angyomphalus (Eoangyomphalus) arctica n. sp." = Eoangyomphalus arctica
"Angyomphalus (Eoangyomphalus) arctica n. sp." = Eoangyomphalus arctica Blodgett and Johnson 1992 snail | |
"Bellerophontacea indet." = Bellerophontoidea
"Bellerophontacea indet." = Bellerophontoidea M'Coy 1851 snail | |
Bivalvia | |
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam | |
Tentaculitida indet. Ljaschenko 1955 | |
Strophomenata | |
| |
Stropheodontidae indet. Caster 1939 | |
"Chonetes" "sp. A" Fischer de Waldheim 1830
"Chonetes" "sp. B" Fischer de Waldheim 1830
"Chonetes" "sp. C" Fischer de Waldheim 1830 | |
Rhynchonellata | |
Cassidirostrum radiatum n. sp.
Cassidirostrum radiatum n. sp. | |
Schizophoria sp. King 1850 | |
Atrypa "sp. C" Dalman 1828 | |
? Gypidula sp. Hall 1867 | |
Crurithyris sp. George 1931 | |
Elythyna kingi n. sp.
Elythyna kingi n. sp. | |
Hyolitha | |
Hyolitha indet. Marek 1963 | |
Tentaculita | |
Styliolina sp. Karpinsky 1884 | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Conodonta | |
Polygnathus perbonus conodont |