Also known as LACMIP loc. 23474
Where: Shasta County, California (40.4° N, 122.6° W: paleocoordinates 41.6° N, 82.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Bald Hills Member (Budden Canyon Formation), Early/Lower Cenomanian (99.6 - 93.5 Ma)
• "The Bald Hills Fm. ranges in age from upper Albian through Cenomanian and possibly into lower Turonian." JA: the Bald Hills is actually a member of the Budden Canyon Formation and Lower Cenomanian according to Murphy and Rodda 1996
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Collection methods: mechanical,
Primary reference: M. A. Murphy and P. U. Rodda. 1960. Mollusca of the Cretaceous Bald Hills Formation of California. Journal of Paleontology 34(5):835-858 [J. Alroy/M. Sommers/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 1791: authorized by John Alroy, entered by Mike Sommers on 08.06.1999, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Desmoceras cf. barryae" = Desmoceras (Pseudouhligella) barryae
"Desmoceras cf. barryae" = Desmoceras (Pseudouhligella) barryae Anderson 1958 ammonite quest. ident. - originally entered as "Desmoceras cf. barryae"
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Gastropoda | |
Turritella xylina2 Squires and Saul 2006 turret shell quest. ident. - originally entered as "Turritella cf. robertiana"
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"Trajanella californica" = Paosia californica Gabb 1864 snail | |
Paleopsephaea sacramentica n. sp.
Paleopsephaea sacramentica n. sp. Murphy and Rodda 1960 snail originally entered as "Paleosephaea sacramentica"
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Tessarolax trinalis Murphy and Rodda 1960 snail | |
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