D255. 4.3 miles west-southwest of Continental Oil Co. refinery at Glenrock (Cretaceous of the United States)

Where: Wyoming (42.8° N, 106.0° W)

• Paleocoordinates: 51.9° N, 64.9° W (Wright 2013)

• coordinate based on political unit

When: Baculites perplexus ammonoid zone, Steele Formation, Campanian (83.6 - 72.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; shale

Size class: macrofossils

Reposited in the USNM

Primary reference: W. A. Cobban. 1962. Baculites from the Lower Part of the Pierre Shale and Equivalent Rocks in the Western Interior. Journal of Paleontology 36(4):704-718 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233961: authorized by Pete Wagner, entered by Pete Wagner on 09.03.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pyriporidae "bryozoa"
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium gracile
Bivalvia
 Myalinida - Inoceramidae
"Inoceramus subcompressus" = Cataceramus subcompressus
"Inoceramus subcompressus" = Cataceramus subcompressus Meek and Hayden 1860 clam
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
 Ostreida - Pteriidae
Pteria sp.
Pteria sp. Scopoli 1777 pearl oyster
 Lucinida - Lucinidae
Lucina sp.
Lucina sp. Bruguière 1797 clam
 Lucinida - Thyasiridae
Thyasira rostrata
 Thraciida - Thraciidae
Thracia sp.
Thracia sp. Blainville 1824 clam
 Cardiida - Mactridae
Cymbophora sp.
Cymbophora sp. Gabb 1869 clam
Cephalopoda
 Ammonitida - Baculitidae
Baculites aff. taylorensis, Baculites perplexus n. sp.
Baculites aff. taylorensis Adkins 1929 ammonite
Baculites perplexus n. sp. Cobban 1962 ammonite
 Ammonitida - Scaphitidae
Hoploscaphites gilli, Scaphites sp.
Hoploscaphites gilli Cobban and Jeletzky 1965 ammonite
Scaphites sp. Parkinson 1811 ammonite
 Ammonitida - Placenticeratidae
Placenticeras cf. intercalare
Placenticeras cf. intercalare Meek and Hayden 1860 ammonite