CAS loc. 1690, North Fork of Cottonwood Creek (Cretaceous of the United States)

Where: Shasta County, California (40.4° N, 122.5° W: paleocoordinates 43.5° N, 85.5° W)

• coordinate estimated from map

When: Budden Canyon Formation, Middle Turonian (93.5 - 89.3 Ma)

• No formational name

Environment/lithology: marine; gray, green shale

• in greenish grey, silty shale

Size class: macrofossils

Collected by F. M. Anderson; reposited in the CAS

Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 215505: authorized by Jonathan Marcot, entered by Jonathan Marcot on 11.11.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Desmoceratidae
Mesopuzosia sp. Matsumoto 1954 ammonite
 Ammonitida - Collignoniceratidae
Collignoniceras cf. woollgari Mantell 1822 ammonite
 Ammonitida - Acanthoceratidae
"Romaniceras cf. deverioide" = Romaniceras deverioides
"Romaniceras cf. deverioide" = Romaniceras deverioides de Grossouvre 1889 ammonite
 Ammonitida - Tetragonitidae
"Gaudryceras cf. denseplicatum" = Gaudryceras (Gaudryceras) denseplicatum, "Lytoceras (Gaudryceras) aff. tenuiliratum" = Gaudryceras tenuiliratum, Tetragonites glabrus
"Gaudryceras cf. denseplicatum" = Gaudryceras (Gaudryceras) denseplicatum Jimbo 1894 ammonite
"Lytoceras (Gaudryceras) aff. tenuiliratum" = Gaudryceras tenuiliratum Yabe 1903 ammonite
Tetragonites glabrus Jimbo 1910 ammonite