UCMP A1297: Middle Eocene, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Crassatellites weaveri n. sp. Clark 1938
Gastropoda - Neritidae
Nerita crooki n. sp.
Nerita informal n. sp.
Gastropoda - Turritellidae
Turritella buwaldana Dickerson 1916
Turritella uvasana Conrad 1855
Gastropoda - Thiaridae
Thiara calafi n. sp. Clark 1938
Gastropoda - Brachytrematidae
Benoistia californica n. sp. Clark 1938
Gastropoda - Pachychilidae
Thiara markleyensis n. sp. Clark 1938
recombined as Melanatria markleyensis
Gastropoda - Pleuroceridae
? Elimia informal n. sp.
Elimia schencki n. sp. Clark 1938
Elimia dickersoni n. sp. Clark 1938
Gastropoda - Neotaenioglossa - Trichotropidae
Crepidula pileum (Gabb 1864)
recombined as Spirocrypta pileum
Gastropoda - Ficidae
Ficopsis cowlitzensis (Weaver 1912)
recombined as Priscoficus cowlitzensis
Gastropoda - Ranellidae
Gyrineum kewi (Dickerson 1915)
recombined as Ameranella kewi
Gastropoda - Neogastropoda - Muricidae
Pseudoperissolax blakei (Conrad 1855)
Urosalpinx kirbyi n. sp. Clark 1938
Gastropoda - Neogastropoda - Pseudolividae
Pseudoliva kirbyi n. sp. Clark 1938
recombined as Calorebama dilleri kirbyi
Pseudoliva markleyensis n. sp. Clark 1938
synonym of Calorebama dilleri kirbyi
Gastropoda - Neogastropoda - Nassariidae
Molopophorus crooki n. sp. Clark 1938
Molopophorus tejonensis Dickerson 1915
synonym of Molopophorus cretaceus
Gastropoda - Neogastropoda - Buccinidae
Cantharus californicus n. sp.
Cantharus (Eocantharus) cowlitzensis Clark 1938
Cantharus suturalis n. sp. Clark 1938
Siphonalia bicarinata Dickerson 1915
recombined as Siphonalia (Nassicola) bicarinata
Gastropoda - Neogastropoda - Fasciolariidae
Perse tuberculatum n. sp. Clark 1938
Perse markleyensis n. sp. Clark 1938
Latirus kirbyi n. sp. Clark 1938
Gastropoda - Neogastropoda - Clavatulidae
Turricula cf. uvasana
Gastropoda - Neogastropoda - Conidae
Conus aegilops
Gastropoda - Neogastropoda - Perissityidae
Nekewis io (Gabb 1864)
Gastropoda - Naticidae
Sinum obliquum (Gabb 1864)
original and current combination Naticina obliqua
Neverita secta Gabb 1864
synonym of Glossaulax reclusiana
Polinices hotsoni Weaver and Palmer 1922
recombined as Polinices (Euspira) hotsoni
Polinices nuciformis (Gabb 1864)
Polinices clementensis (Hanna 1927)
original and current combination Natica clementensis
Bivalvia - Nuculanida - Sareptidae
Yoldia markleyensis n. sp. Clark 1938
recombined as Portlandia (Portlandia) markleyensis
Bivalvia - Ostreida - Ostreidae
Ostrea informal n. sp.
Bivalvia - Arcida - Glycymerididae
Glycymeris eocenica (Weaver 1912)
recombined as Glycymeris (Glycymeris) eocenica
Glycymeris sagittata (Gabb 1864)
recombined as Glycymerita sagittata
Bivalvia - Lucinida - Lucinidae
Lucina hannai n. sp. Clark 1938
recombined as Here (Here) hannai
Lucina aff. taffana
Bivalvia - Pholadida - Corbulidae
Corbula dickersoni Weaver and Palmer 1922
recombined as Corbula (Caryocorbula) dickersoni
Bivalvia - Cardiida - Mesodesmatidae
Myadesma eocenica n. sp. Clark 1938
Bivalvia - Cardiida - Mactridae
Mactra markleyensis n. sp. Clark 1938
recombined as Mactromeris markleyensis
Bivalvia - Cardiida - Corbiculidae
Corbicula arnoldi n. sp. Clark 1938
Corbicula oldroydi n. sp. Clark 1938
Bivalvia - Carditida - Carditidae
Venericardia cf. clarki Weaver and Palmer 1922
recombined as Venericardia (Pacificor) clarki
see common names

Geography
Country:United States State/province:California County:Solano
Coordinates: 38.5° North, 122.0° West (view map)
Paleocoordinates:40.1° North, 107.5° West
Basis of coordinate:stated in text
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2-3
Key time interval:Middle Eocene
Age range of interval:47.80000 - 37.71000 m.y. ago
Stratigraphy
Formation:Markley
Lithology and environment
Primary lithology: sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Museum repositories:UCMP
Metadata
Database number:191188
Authorizer:P. Holroyd Enterer:P. Holroyd
Research group:marine invertebrate
Created:2018-01-14 18:34:55 Last modified:2018-01-14 18:34:55
Access level:the public Released:2018-01-14 18:34:55
Creative Commons license:CC BY
Reference information

Primary reference:
64483. B. L. Clark. 1938. Fauna from the Markley Formation (Upper Eocene) on Pleasant Creek, California . Bulletin of the Geological Society of America 49:683-730 [P. Holroyd/P. Holroyd]