Bighorn Formation Cephalopods, Wyoming (Ordovician of the United States)

Where: Wyoming (44.0° N, 109.0° W)

• Paleocoordinates: 5.5° S, 124.8° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Bighorn Formation, Late/Upper Ordovician (458.4 - 443.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite and sandstone

• Environmental call by T. Hanson.

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 24167: authorized by Steven Holland, entered by Tori Hanson on 01.08.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras sp.
Spyroceras sp. Hyatt 1884
 Actinocerida - Actinoceratidae
Paractinoceras sp., Actinoceras sp., Kochoceras sp.
Paractinoceras sp. Hyatt 1900
Actinoceras sp. Bronn 1837
Kochoceras sp. Troedsson 1926
 Actinocerida - Gonioceratidae
Lambeoceras sp.
Lambeoceras sp. Foerste 1917
 Orthocerida - Proteoceratidae
Ephippiorthoceras sp.
Ephippiorthoceras sp. Foerste 1924
 Orthocerida - Tripteroceratidae
Allumettoceras sp.
Allumettoceras sp. Foerste 1926
 Orthocerida - Kionoceratidae
Kionoceras sp.
Kionoceras sp. Hyatt 1884
 Endocerida - Endoceratidae
Cyclendoceras sp., Endoceras sp.
Cyclendoceras sp. Grabau and Shimer 1910
Endoceras sp. Hall 1847
 Oncocerida - Diestoceratidae
Diestoceras sp.
Diestoceras sp. Foerste 1924
 Multiceratoidea - Apsidoceratidae
Wilsonoceras sp., ? Charactoceras sp.
Wilsonoceras sp. Foerste 1929
? Charactoceras sp. Foerste 1924
 Discosorida - Westonoceratidae
Westonoceras sp., Winnipegoceras sp.
Westonoceras sp. Foerste 1924
Winnipegoceras sp. Foerste 1928
 Discosorida - Cyrtogomphoceratidae
Cyrtogomphoceras sp.
Cyrtogomphoceras sp. Foerste 1924
 Multiceratoidea - Clinoceratidae
Whitfieldoceras sp.
Whitfieldoceras sp. Foerste 1932