UCMP A1297 (Eocene of the United States)

Where: Solano County, California (38.5° N, 122.0° W: paleocoordinates 40.1° N, 107.5° W)

• coordinate stated in text

When: Markley Formation, Middle Eocene (48.6 - 37.2 Ma)

Environment/lithology: marine; sandstone

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 191188: authorized by Patricia Holroyd, entered by Patricia Holroyd on 14.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neotaenioglossa - Trichotropidae
"Crepidula pileum" = Spirocrypta pileum
"Crepidula pileum" = Spirocrypta pileum Gabb 1864 snail
 Cerithioidea - Brachytrematidae
Benoistia californica n. sp. Clark 1938 snail
 Cerithioidea - Pachychilidae
"Thiara markleyensis n. sp." = Melanatria markleyensis
"Thiara markleyensis n. sp." = Melanatria markleyensis Clark 1938 snail
 Cerithioidea - Pleuroceridae
? Elimia "n. sp." Adams and Adams 1858 snail
Elimia dickersoni n. sp. Clark 1938 snail
Elimia schencki n. sp. Clark 1938 snail
 Cerithioidea - Turritellidae
Turritella buwaldana Dickerson 1916 turret shell
Turritella uvasana Conrad 1855 turret shell
 Cerithioidea - Thiaridae
Thiara calafi n. sp. Clark 1938 snail
 Neogastropoda - Buccinidae
Cantharus californicus n. sp. true whelk
Cantharus suturalis n. sp. Clark 1938 true whelk
Siphonalia bicarinata Dickerson 1915 true whelk
 Neogastropoda - Nassariidae
"Molopophorus tejonensis" = Molopophorus cretaceus, Molopophorus crooki n. sp.
"Molopophorus tejonensis" = Molopophorus cretaceus Gabb 1864 snail
Molopophorus crooki n. sp. Clark 1938 snail
 Neogastropoda - Fasciolariidae
Perse tuberculatum n. sp. Clark 1938 snail
Perse markleyensis n. sp. Clark 1938 snail
Latirus kirbyi n. sp. Clark 1938 snail
 Neogastropoda - Perissityidae
Nekewis io Gabb 1864 snail
 Neogastropoda - Clavatulidae
 Neogastropoda - Conidae
Conus aegilops cone shell
 Neogastropoda - Pseudolividae
"Pseudoliva kirbyi n. sp." = Calorebama dilleri kirbyi, "Pseudoliva markleyensis n. sp." = Calorebama dilleri kirbyi
"Pseudoliva kirbyi n. sp." = Calorebama dilleri kirbyi Clark 1938 snail
"Pseudoliva markleyensis n. sp." = Calorebama dilleri kirbyi Clark 1938 snail
 Neogastropoda - Muricidae
Urosalpinx kirbyi n. sp. Clark 1938 murex snail
Pseudoperissolax blakei Conrad 1855 murex snail
 Sorbeoconcha - Ficidae
"Ficopsis cowlitzensis" = Priscoficus cowlitzensis
"Ficopsis cowlitzensis" = Priscoficus cowlitzensis Weaver 1912 fig shell
 Sorbeoconcha - Ranellidae
"Gyrineum kewi" = Ameranella kewi
"Gyrineum kewi" = Ameranella kewi Dickerson 1915 triton shell
 Sorbeoconcha - Naticidae
"Polinices hotsoni" = Polinices (Euspira) hotsoni Weaver and Palmer 1922 moon snail
Polinices nuciformis Gabb 1864 moon snail
Polinices clementensis Hanna 1927 moon snail
"Neverita secta" = Glossaulax reclusiana Deshayes 1839 moon snail
Sinum obliquum Gabb 1864 moon snail
 Neritoidea - Neritidae
Nerita crooki n. sp. snail
Nerita "n. sp." Linnaeus 1758 snail
Bivalvia
 Arcida - Glycymerididae
"Glycymeris eocenica" = Glycymeris (Glycymeris) eocenica, "Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata
"Glycymeris eocenica" = Glycymeris (Glycymeris) eocenica Weaver 1912 clam
"Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata Gabb 1864 clam
 Ostreida - Ostreidae
Ostrea "n. sp." Linnaeus 1758 oyster
 Lucinida - Lucinidae
Lucina aff. taffana, "Lucina hannai n. sp." = Here (Here) hannai
"Lucina hannai n. sp." = Here (Here) hannai Clark 1938 clam
 Pholadida - Corbulidae
"Corbula dickersoni" = Corbula (Caryocorbula) dickersoni
"Corbula dickersoni" = Corbula (Caryocorbula) dickersoni Weaver and Palmer 1922 clam
 Cardiida - Corbiculidae
Corbicula oldroydi n. sp. Clark 1938 clam
Corbicula arnoldi n. sp. Clark 1938 clam
 Cardiida - Mesodesmatidae
Myadesma eocenica n. sp. Clark 1938 clam
 Cardiida - Mactridae
"Mactra markleyensis n. sp." = Mactromeris markleyensis
"Mactra markleyensis n. sp." = Mactromeris markleyensis Clark 1938 clam
 Carditida - Carditidae
"Venericardia cf. clarki" = Venericardia (Pacificor) clarki
"Venericardia cf. clarki" = Venericardia (Pacificor) clarki Weaver and Palmer 1922 clam
 Nuculanida - Sareptidae
"Yoldia markleyensis n. sp." = Portlandia (Portlandia) markleyensis
"Yoldia markleyensis n. sp." = Portlandia (Portlandia) markleyensis Clark 1938 clam