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Asuncion - Ragged Valley Shale, Fresno County, California, USA

GroupAsuncion
FormationRagged Valley Shale
Age:70.6 - 66.0 Ma
Late/Upper Cretaceous
IntervalEarly Maastrichtian
Lithologyshale
Number of Collections4
Number of Occurrences19

Recorded Sample Locations

LocationRegionStratigraphic Name
CAS Loc. 2361 - Joaquin Ridge [Ragged Valley Shale]Fresno County, California, USAAsuncion - Ragged Valley Shale
Los Gatos Creek [Moreno Fm]Fresno County, California, USAAsuncion - Ragged Valley Shale
CAS Loc. 1790 - Coalinga [Moreno Fm]Fresno County, California, USAAsuncion - Ragged Valley Shale

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Asuncion - Moreno72.1 - 66.0 Ma
Late/Upper Cretaceous
sandstone/"shale", "siliciclastic", sandstone, "shale"47

Recorded Fossils

Accepted NameHierarchyAge
Inoceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus70.6 - 66 Ma
Late/Upper Cretaceous
Baculites lomaensis
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Baculitidae : Baculites : Baculites lomaensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Damesites hetonaiensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Damesites : Damesites hetonaiensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Hauericeras churchi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Hauericeras : Hauericeras churchi70.6 - 66 Ma
Late/Upper Cretaceous
Anagaudryceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Anagaudryceras70.6 - 66 Ma
Late/Upper Cretaceous
Anagaudryceras mikobokense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Anagaudryceras : Anagaudryceras mikobokense83.5 - 70.6 Ma
Late/Upper Cretaceous
Gaudryceras kayei
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Gaudryceras : Gaudryceras kayei83.5 - 70.6 Ma
Late/Upper Cretaceous
Bostrychoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Bostrychoceras70.6 - 66 Ma
Late/Upper Cretaceous
Exiteloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Oegopsida : Chiroteuthidae : Exiteloceras70.6 - 66 Ma
Late/Upper Cretaceous
Exiteloceras desertense
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Exiteloceras : Exiteloceras desertense70.6 - 66 Ma
Late/Upper Cretaceous
Nostoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Nostoceras70.6 - 66 Ma
Late/Upper Cretaceous
Pachydiscus (Neodesmoceras) sp.
subgenus
6.3Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Pachydiscus : Pachydiscus (Neodesmoceras)83.5 - 70.6 Ma
Late/Upper Cretaceous
Pachydiscus (Pachydiscus) egertoni
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Pachydiscus : Pachydiscus (Pachydiscus) egertoni83.5 - 70.6 Ma
Late/Upper Cretaceous
Parapachydiscus catarinae
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Pachydiscidae : Pachydiscus : Parapachydiscus catarinae70.6 - 66 Ma
Late/Upper Cretaceous
Nautilus (Cymatoceras) hermosus
species
7Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Cymatoceras : Nautilus (Cymatoceras) hermosus70.6 - 66 Ma
Late/Upper Cretaceous

References

Anderson F. M. (1958) Upper Cretaceous of the Pacific Coast, Geological Society of America Memoir 71, 1-378
Matsumoto T. (1960) Upper Cretaceous ammonites of California. Part III, Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II, 1-204
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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