Red River Formation Cephalopods, Manitoba (Ordovician to of Canada)

Where: Manitoba, Canada (50.0° N, 100.0° W: paleocoordinates 11.2° S, 62.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Red River Formation, Middle Ordovician to Middle Ordovician (470.0 - 443.8 Ma)

• formation-level stratigraphic resolution

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 24165: authorized by Steven Holland, entered by Tori Hanson on 01.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras sp.
Spyroceras sp. Hyatt 1884
 Endocerida - Endoceratidae
Endoceras sp., Cyclendoceras sp.
Endoceras sp. Hall 1847
Cyclendoceras sp. Grabau and Shimer 1910
 Multiceratoidea - Apsidoceratidae
Wilsonoceras sp., Charactoceras sp.
Wilsonoceras sp. Foerste 1929
Charactoceras sp. Foerste 1924
 Discosorida - Cyrtogomphoceratidae
Cyrtogomphoceras sp.
Cyrtogomphoceras sp. Foerste 1924
 Discosorida - Westonoceratidae
Westonoceras sp., Winnipegoceras sp.
Westonoceras sp. Foerste 1924
Winnipegoceras sp. Foerste 1928
 Tarphycerida - Trocholitidae
Discoceras sp.
Discoceras sp. Barrande 1867
 Oncocerida - Diestoceratidae
Diestoceras sp.
Diestoceras sp. Foerste 1924
 Orthocerida - Proteoceratidae
Ephippiorthoceras sp.
Ephippiorthoceras sp. Foerste 1924
 Actinocerida - Ormoceratidae
Ormoceras sp.
Ormoceras sp. Stokes 1840
 Actinocerida - Actinoceratidae
Kochoceras sp., Paractinoceras sp., Actinoceras sp.
Kochoceras sp. Troedsson 1926
Paractinoceras sp. Hyatt 1900
Actinoceras sp. Bronn 1837
 Actinocerida - Gonioceratidae
Lambeoceras sp.
Lambeoceras sp. Foerste 1917