UCMP 1817, Urruttia Canyon-Salt Creek: Ypresian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Nummuloid sp.
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Dickerson 1916 | |||||||||
Anthozoa
- Scleractinia
- Turbinoliidae
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Turbinolia dickersoni n. sp.
Nomland 1916
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Turbinolia pusillanima
Nomland 1916
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Anthozoa
- Scleractinia
- Caryophylliidae
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Trochocyathus imperialis n. sp.
Nomland 1916
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? Flabellum merriami n. sp.
Nomland 1916
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recombined as Platytrochus merriami | ||||||||||
Malacostraca
- Decapoda
- Cancridae
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? Cancer sp.
Linnaeus 1758
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Dickerson 1916 | |||||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana (Saccella) hondana n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Leda fresnoensis n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
recombined as Ledina fresnoensis | ||||||||||
Jupiteria (Ledina) duttonae
Vokes 1939
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Squires 1988 | |||||||||
recombined as Ledina duttonae | ||||||||||
Bivalvia
- Nuculida
- Nuculidae
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Acila (Truncacila) decisa
(Conrad 1855)
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Vokes 1939 | |||||||||
Acila gabbiana n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
synonym of Acila (Truncacila) decisa | ||||||||||
Nucula cooperi
Dickerson 1913
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Vokes 1939 | |||||||||
recombined as Nucula (Nucula) cooperi | ||||||||||
Bivalvia
- Mytilida
- Mytilidae
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Brachidontes cf. cowlitzensis
(Weaver and Palmer 1922)
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Vokes 1939 | |||||||||
Bivalvia
- Ostreida
- Malleidae
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Ostrea sp.
Linnaeus 1758
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Dickerson 1916 | |||||||||
= ? Vulsella clarki n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Bivalvia
- Pectinida
- Propeamussiidae
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Pecten cf. interradiatus
Gabb 1869
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Dickerson 1916 | |||||||||
= Propeamussium mideocenicum n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Parvamussium mideocenicum | ||||||||||
Bivalvia
- Arcida
- Glycymerididae
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Glycimeris fresnoensis n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
recombined as Glycymeris (Tucetona) fresnoensis | ||||||||||
Glycymeris perrini
(Dickerson 1916)
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Vokes 1939 | |||||||||
recombined as Glycymeris (Tucetona) perrini | ||||||||||
subspecies instabilis | ||||||||||
Glycymeris sagittata
(Gabb 1864)
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Vokes 1939 | |||||||||
recombined as Glycymerita sagittata | ||||||||||
Bivalvia
- Arcida
- Parallelodontidae
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Porterius woodfordi
(Hanna 1927)
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Vokes 1939 | |||||||||
Bivalvia
- Arcida
- Arcidae
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Arca hornii
Gabb 1864
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Dickerson 1916 | |||||||||
recombined as Pachecoa hornii | ||||||||||
Bivalvia
- Carditida
- Carditidae
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Venericardia planicosta
Lamarck 1801
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subsp. hornii | ||||||||||
= Megacardita sp.
Sacco 1899
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Vokes 1939 | |||||||||
= Venericardia (Pacificor) hornii
Gabb 1864
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Hendy 2020 | |||||||||
Bivalvia
- Carditida
- Crassatellidae
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Crassatellites lillisi n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
recombined as Crassatella lillisi | ||||||||||
Bivalvia
- Poromyida
- Cuspidariidae
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Cardiomya informal n. sp.
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Vokes 1939 | |||||||||
Bivalvia
- Cardiida
- Cardiidae
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Cardium brewerii
Gabb 1864
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Dickerson 1916 | |||||||||
recombined as Schedocardia brewerii | ||||||||||
subspecies hartleyense | ||||||||||
Cardium cooperii
Gabb 1864
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Dickerson 1916 | |||||||||
= Nemocardium linteum
Conrad 1855
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Vokes 1939 | |||||||||
recombined as Nemocardium (Nemocardium) linteum | ||||||||||
Bivalvia
- Cardiida
- Psammobiidae
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Gari hornii
(Gabb 1864)
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Vokes 1939 | |||||||||
recombined as Gari (Gobraeus) hornii | ||||||||||
subspecies umpquaensis | ||||||||||
Bivalvia
- Cardiida
- Mactridae
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? Spisula sp.
Gray 1837
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Dickerson 1916 | |||||||||
= Spisula capayana n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Mactromeris capayana | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Macrocallista (Costacallista) domenginica
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Callista (Macrocallista) domenginica | ||||||||||
subspecies new capayana | ||||||||||
Meretrix hornii
Gabb 1864
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Dickerson 1916 | |||||||||
= Macrocallista (Costacallista) domenginica
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Callista (Macrocallista) domenginica | ||||||||||
as "Macrocallista (Costacallista) domenginica capayana n. ssp." | ||||||||||
? Marcia conradi n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
recombined as Nitidavenus conradi | ||||||||||
Isocardium tejonensis
(Waring 1914)
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Dickerson 1916 | |||||||||
recombined as Nitidavenus tejonensis | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
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Corbula (Varicorbula) capayana n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Varicorbula capayana | ||||||||||
Corbula rosecanyonensis
Hanna 1927
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Vokes 1939 | |||||||||
Corbula parilis
Gabb 1864
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Dickerson 1916 | |||||||||
recombined as Caryocorbula parilis | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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? Lucina sp.
Bruguière 1797
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Dickerson 1916 | |||||||||
= ? Lucina bramkampi n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
recombined as Lucina (Lucina) bramkampi | ||||||||||
Scaphopoda
- Gadilida
- Gadilidae
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Cadulus pusillus
(Gabb 1864)
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Dickerson 1916 | |||||||||
= ? Cadulus informal n. sp.
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Vokes 1939 | |||||||||
Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium (Laevidentalium) lighti n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Gastropoda
- Opisthobranchia
- Philinidae
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Megistostoma gabbianum
(Stoliczka 1868)
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Vokes 1939 | |||||||||
Gastropoda
- Heterostropha
- Acteonidae
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Tornatellaea informal n. sp.
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Vokes 1939 | |||||||||
Tornatellaea effingeri n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Gastropoda
- Heterostropha
- Pyramidellidae
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Odostomia packi
Dickerson 1916
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Dickerson 1916 | |||||||||
= Pyramidella cf. etheringtoni
Hanna 1927
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Vokes 1939 | |||||||||
Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea diegoana
(Conrad 1855)
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Vokes 1939 | |||||||||
Gastropoda
- Strombidae
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Rimella simplex
Gabb 1864
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= Rimella (Macilentos) macilenta
White 1889
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Vokes 1939 | |||||||||
original and current combination Rimella macilenta | ||||||||||
Gastropoda
- Ficidae
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Ficopsis remondii
(Gabb 1864)
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recombined as Ficus remondii | ||||||||||
Ficopsis cf. hornii
(Gabb 1864)
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Dickerson 1916 | |||||||||
= Ficopsis meganosensis
Clark and Woodford 1927
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Ptychatractidae
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Exilia cf. perkinsiana
(Cooper 1894)
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Vokes 1939 | |||||||||
= Exilia taliaferroi
Vokes 1939
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Bentson 1940 | |||||||||
Bentson 1940, p. 208 | ||||||||||
Gastropoda
- Neogastropoda
- Muricidae
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Pseudoperissolax blakei
(Conrad 1855)
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Vokes 1939 | |||||||||
new subspecies praeblakei | ||||||||||
? Muricopsis whitneyi
(Gabb 1864)
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Cancellariidae
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Cancellaria stantoni
Dickerson 1913
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synonym of Bonellitia (Admetula) paucivaricata | ||||||||||
Gastropoda
- Neogastropoda
- Ancillariidae
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Ancillaria elongata
Gabb 1864
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Dickerson 1916 | |||||||||
= Ancilla (Spirancilla) gabbi
Cossman 1899
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Clavatulidae
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Turricula holwayi
(Dickerson 1913)
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Vokes 1939 | |||||||||
original and current combination Surcula holwayi | ||||||||||
Fusiturricula (Crenaturricula) crenatospira
(Cooper 1894)
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Vokes 1939 | |||||||||
recombined as Crenaturricula crenatospira | ||||||||||
Gastropoda
- Neogastropoda
- Conidae
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Conus hornii
Gabb 1864
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra californica
Gabb 1869
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= Terebra informal n. sp.
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Turridae
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Turris fresnoensis
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= Pleurofusia fresnoensis
Arnold 1909
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Vokes 1939 | |||||||||
original and current combination Pleurotoma fresnoensis | ||||||||||
Turris monolifera
(Cooper 1894)
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Dickerson 1916 | |||||||||
= Gemmula wattsi
Anderson and Hanna 1925
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Vokes 1939 | |||||||||
Eosurcula capayana n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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Metula harrisi n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
Gastropoda
- Neogastropoda
- Fasciolariidae
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Turris suturalis
(Cooper 1894)
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Dickerson 1916 | |||||||||
= Falsifusus marysvillensis
Merriam and Turner 1937
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Vokes 1939 | |||||||||
Gastropoda
- Neogastropoda
- Mitridae
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Mitra simplicissima
Cooper 1894
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Vokes 1939 | |||||||||
Gastropoda
- Cassidae
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Galeodea sutterensis
Dickerson 1916
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Vokes 1939 | |||||||||
= Galeodea meganosensis
Vokes 1939
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Squires 2019 | |||||||||
recombined as Galeodea (Gomphopages) meganosensis | ||||||||||
Gastropoda
- Naticidae
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Sinum obliquum
(Gabb 1864)
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Vokes 1939 | |||||||||
original and current combination Naticina obliqua | ||||||||||
Amauropsis sp.
Mörch 1857
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Dickerson 1916 | |||||||||
= Amaurellina hendoni
Turner 1938
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Vokes 1939 | |||||||||
synonym of Amaurellina moragai | ||||||||||
Polinices (Euspira) nuciformis
(Gabb 1864)
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Vokes 1939 | |||||||||
Natica gesteri n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
recombined as Polinices (Euspira) gesteri | ||||||||||
Gastropoda
- Eulimidae
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Melanella coalingana n. sp.
Vokes 1939
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Vokes 1939 | |||||||||
Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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Vokes 1939 | |||||||||
subspecies crooki | ||||||||||
Turritella andersoni n. sp.
Dickerson 1916
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Dickerson 1916 | |||||||||
Gastropoda
- Turbinidae
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Homalopoma wattsi
(Dickerson 1916)
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Vokes 1939 | |||||||||
Gastropoda
- Chilodontaidae
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Calliovarica eocensis n. sp.
Vokes 1939
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Hickman 2018 | |||||||||
Cephalopoda
- Nautilida
- Aturiidae
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Aturia myrlae
(Hanna 1927)
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Vokes 1939 | |||||||||
= Aturia sp.
Bronn 1838
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Miller and Downs 1950 | |||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Fresno |
Coordinates: | 36.4° North, 120.4° West (view map) | ||||
Paleocoordinates: | 39.0° North, 103.3° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
Key time interval: | Ypresian | ||
Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
Formation: | Lodo | Member: | Cerros Shale | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Assigned to the "Arroyo Hondo" formation (lower part of the "Capay Stage") by Vokes (1939) and Miller & Downs (1950), but the Lodo Formation is now used for this unit. Calcareous nannofossils indicate the CP10 (Tribrachiatus orthostylus) zone of early Eocene age and the transition between the CP10-CP11 (Discoaster lodoensis) zones, according to Squires (1988). |
Lithology and environment
Primary lithology: | lithified "shale" |
Environment: | deep-water indet. |
Geology comments: Foraminifera indicate bathyal depths for the lower part of the Lodo (Stinemeyer, 1974). |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | survey of museum collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Database number: | 122294 | ||
Authorizer: | W. Kiessling, A. Hendy, J. Marcot, P. Holroyd, M. Uhen, M. Clapham | Enterer: | U. Merkel, J. Marcot, A. Hendy, M. Clapham, M. Uhen, P. Holroyd |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2011-12-21 01:03:32 | Last modified: | 2019-08-18 20:53:59 |
Access level: | the public | Released: | 2011-12-21 01:03:32 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
38924. | J. O. Nomland. 1916. Corals from the Cretaceous and Tertiary of California and Oregon. Bulletin of the Department of Geology, University of California Publications 9(5):59-76 [W. Kiessling/U. Merkel] |
Secondary references:
75583 | H. Bentson. 1940. A systematic study of the fossil gastropod Exilia. University of California Publications Bulletin of the Department of Geological Sciences 25(5):199-238 [J. Marcot/J. Marcot/J. Marcot] | |
72885 | R. E. Dickerson. 1916. Stratigraphy and fauna of the Tejon Eocene of California. University of California Publications Bulletin of the Department of Geology 9(17):363-524 [J. Marcot/J. Marcot] | |
63217 | A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy] | |
65476 | C. S. Hickman. 2018. A new Calliovarica species (Seguenzioidea: Chilodontidae) from the Eocene of Oregon, USA: Persistence of a relict Mesozoic gastropod group in a unique forearc tectonic setting. PaleoBios 35(38726):1-10 [P. Holroyd/P. Holroyd] | |
59868 | A. K. Miller and H. R. Downs. 1950. Tertiary nautiloids of the Americas: supplement. Journal of Paleontology 24:1-18 [M. Clapham/M. Clapham] | |
55842 | R. L. Squires. 1988. Rediscovery of the type locality of Turritella andersoni and its geologic age implications for West Coast Eocene strata. Pacific Section SEPM 58:203-208 [M. Uhen/M. Uhen/M. Uhen] | |
68679 | R. L. Squires. 2019. Revision of Eocene warm-water cassid gastropods from coastal southwestern North America: implications for paleobiogeographic distribution and faunal-turnover. PaleoBios 36:1-22 [P. Holroyd/P. Holroyd] | |
14207 | H. E. Vokes. 1939. Molluscan faunas of the Domengine and Arroyo Hondo Formations of the California Eocene. Annals of the New York Academy of Sciences 38:1-246 [A. Miller/A. Hendy/P. Holroyd] |