GSC O-104492. Small stream immediately south of Sylvia Grinnell Lake (Ordovician of Canada)
Where: Nunvait, Canada (64.1° N, 69.4° W: paleocoordinates 10.4° S, 40.0° W)
When: Plectodina tenuis conodont zone, Frobisher Bay Formation, Chatfieldian (460.9 - 449.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: gray limestone
• Buff brown weathering, light grey calcilutite.
Size classes: macrofossils, mesofossils
Collected by A. D. McCracken in 1988; reposited in the GSC
Primary reference: T. E. Bolton. 2000. Ordovician megafauna, southern Baffin Island, Nunavat. Geological Survey of Canada Bulletin 557:39-158 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 192779: authorized by Pete Wagner, entered by Pete Wagner on 19.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Strophomenata | |
Rafinesquina sp. Hall and Clarke 1892
"Rafinesquina subnutans" = Rafinesquina declivis subnutans Roy 1941 ? Rafinesquina declivis subnutans
| |
Strophomena sp., "Strophomena fluctuosa" = Nasutimena fluctuosa
Strophomena sp. Rafinesque and De Blainville 1824
"Strophomena fluctuosa" = Nasutimena fluctuosa Billings 1860 | |
Rhynchonellata | |
Trilobita | |
"Nanillaenus punctatus" = Thaleops punctata
"Nanillaenus punctatus" = Thaleops punctata Raymond 1905 trilobite | |
Encrinuridae indet. Angelin 1854 trilobite | |
Cheiruridae indet. Hawle and Corda 1847 trilobite
Hapsiceraurus hispidus Whittington 1954 trilobite | |
Calymenidae indet. Milne-Edwards 1840 trilobite | |
Calyptaulax ludvigseni trilobite | |
Crinoidea | |
Crinoidea "columnal and plate debris" Miller 1821 Sea lily |