Koukdjuak River, Upper Part (Ordovician to of Canada)

Where: Nunavut, Canada (66.8° N, 73.2° W: paleocoordinates 7.8° S, 40.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Middle Ordovician to Middle Ordovician (470.0 - 443.8 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24236: authorized by Steven Holland, entered by Tori Hanson on 02.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Studied and identified by Wilson (1928; 1931)
Show authors, comments, and common names
unclassified
  -
"Orthocerartoid" sp.
"Orthocerartoid" sp.
unidentified orthoceratoid
Cephalopoda
 Actinocerida - Ormoceratidae
Ormoceras sp.
Ormoceras sp. Stokes 1840
 Actinocerida - Actinoceratidae
Actinoceras sp., ? Elrodoceras sp.
Actinoceras sp. Bronn 1837
? Elrodoceras sp. Foerste 1924
 Actinocerida - Armenoceratidae
Armenoceras richardsoni
Armenoceras richardsoni
[entered as Armenoceras richardsonii]
 Orthocerida - Tripteroceratidae
Tripteroceras sp.
Tripteroceras sp. Hyatt 1884
 Endocerida - Endoceratidae
? Endoceras sp.
? Endoceras sp. Hall 1847
Gastropoda
 Euomphalina - Macluritidae
? Maclurites borealis, Maclurites altus
? Maclurites borealis Wilson 1938 snail
Maclurites altus Wilson 1931 snail
Anthozoa
 Heliolitida - Heliolitidae
Heliolites megastoma, Heliolites interstinctus
Heliolites megastoma tabulate coral
Heliolites interstinctus tabulate coral
 Heliolitida - Halysitidae
Halysites catenularia
Halysites catenularia Linnaeus 1767 tabulate coral
Halysites catenularia microporus