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Budden Canyon - Bald Hills, Shasta County, California, USA

Formation	Budden Canyon
Member	Bald Hills
Age:	99.6 - 93.5 Ma Late/Upper Cretaceous
Interval	Early Cenomanian
Lithology	conglomerate, sandstone
Number of Collections	26
Number of Occurrences	167

Recorded Sample Locations

Location	Region	Stratigraphic Name
Striatifera association	Shasta County, California, USA	Budden Canyon - Bald Hills

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Anisoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : *Anisoceras*	99.6 - 93.5 Ma Late/Upper Cretaceous
Sciponoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonitida : Baculitidae : *Sciponoceras*	99.6 - 93.5 Ma Late/Upper Cretaceous
Mortoniceras gainesana species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Brancoceratidae : Mortoniceras : *Mortoniceras gainesana*	99.6 - 93.5 Ma Late/Upper Cretaceous
Beudanticeras haydeni species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Beudanticeras : *Beudanticeras haydeni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Desmoceras (Pseudouhligella) alamoense species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Desmoceras : *Desmoceras (Pseudouhligella) alamoense*	99.6 - 93.5 Ma Late/Upper Cretaceous
Desmoceras (Pseudouhligella) argonauticum species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Desmoceras : *Desmoceras (Pseudouhligella) argonauticum*	99.6 - 93.5 Ma Late/Upper Cretaceous
Desmoceras (Pseudouhligella) barryae species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Desmoceras : *Desmoceras (Pseudouhligella) barryae*	99.6 - 93.5 Ma Late/Upper Cretaceous
Desmoceras (Pseudouhligella) japonicum species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Desmoceras : *Desmoceras (Pseudouhligella) japonicum*	99.6 - 93.5 Ma Late/Upper Cretaceous
Puzosia (Anapuzosia) tucuyensis species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Puzosia : *Puzosia (Anapuzosia) tucuyensis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Puzosia puma species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Puzosia : *Puzosia puma*	99.6 - 93.5 Ma Late/Upper Cretaceous
Puzosia sullivanae species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Puzosia : *Puzosia sullivanae*	99.6 - 93.5 Ma Late/Upper Cretaceous
Eogunnarites matsumotoi species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Kossmaticeratidae : Eogunnarites : *Eogunnarites matsumotoi*	99.6 - 93.5 Ma Late/Upper Cretaceous
Mariella (Mariella) fricki species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Turrilitidae : Mariella : *Mariella (Mariella) fricki*	99.6 - 93.5 Ma Late/Upper Cretaceous
Pseudhelicoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Turrilitidae : *Pseudhelicoceras*	99.6 - 93.5 Ma Late/Upper Cretaceous
Turrilites (Turrilites) acutus species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Turrilitidae : Turrilites : *Turrilites (Turrilites) acutus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Turrilites petersoni species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Turrilitidae : Turrilites : *Turrilites petersoni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Zealandites sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : *Zealandites*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ampullina mona species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Ampullina : *Ampullina mona*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ampullina stantoni species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Ampullina : *Ampullina stantoni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Acteon sullivanae species	7	Animalia : Mollusca : Gastropoda : Architectibranchia : Acteonidae : Acteon : *Acteon sullivanae*	99.6 - 93.5 Ma Late/Upper Cretaceous
Tornatellaea impressa species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Acteonidae : Tornatellaea : *Tornatellaea impressa*	99.6 - 93.5 Ma Late/Upper Cretaceous
Biplica isoplicata species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Ringiculidae : Biplica : *Biplica isoplicata*	99.6 - 93.5 Ma Late/Upper Cretaceous
Biplica michaeli species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Ringiculidae : Biplica : *Biplica michaeli*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cylichna andersoni species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichna : *Cylichna andersoni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cantharus occidentalis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Cantharus : *Cantharus occidentalis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Paleopsephaea sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : *Paleopsephaea*	99.6 - 93.5 Ma Late/Upper Cretaceous
Paleopsephaea sacramentica species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Paleopsephaea : *Paleopsephaea sacramentica*	99.6 - 93.5 Ma Late/Upper Cretaceous
Clinura anassa species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Raphitomidae : Clinura : *Clinura anassa*	99.6 - 93.5 Ma Late/Upper Cretaceous
Arrhoges californicus species	7	Animalia : Mollusca : Gastropoda : Aporrhaidae : Arrhoges : *Arrhoges californicus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Tessarolax trinalis species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Tessarolax : *Tessarolax trinalis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Euspira marianus species	7	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Euspira marianus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Euspira popenoei species	7	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Euspira popenoei*	99.6 - 93.5 Ma Late/Upper Cretaceous
Gyrodes allisoni species	7	Animalia : Mollusca : Gastropoda : Naticidae : Gyrodes : *Gyrodes allisoni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Gyrodes greeni species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Gyrodes : *Gyrodes greeni*	99.6 - 93.5 Ma Late/Upper Cretaceous
Gyrodes onensis species	7	Animalia : Mollusca : Gastropoda : Naticidae : Gyrodes : *Gyrodes onensis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Trajanella californica species	7	Animalia : Mollusca : Gastropoda : Trajanellidae : Trajanella : *Trajanella californica*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ariadnaria stibara species	7	Animalia : Mollusca : Gastropoda : Trichotropidae : Ariadnaria : *Ariadnaria stibara*	99.6 - 93.5 Ma Late/Upper Cretaceous
Solariella stewarti species	7	Animalia : Mollusca : Gastropoda : Trochidae : Solariella : *Solariella stewarti*	99.6 - 93.5 Ma Late/Upper Cretaceous
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	99.6 - 93.5 Ma Late/Upper Cretaceous

References

Murphy M. A., Rodda P. U. (1960) Mollusca of the Cretaceous Bald Hills Formation of California, Journal of Paleontology 34 5, 835-858

Popenoe W. P., Saul L. R., et al (1987) Gyrodiform gastropods from the Pacific coast Cretaceous and Paleocene, Journal of Paleontology 61 1, 70-100

Saul L. R., Squires R. L. (2008) Cretaceous trichotropid gastropods from the Pacific slope of North America: Possible pathways to calyptraeid morphology, The Nautilus 122 3, 115-142

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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