UCR 4858 (Eocene of the United States)

Where: San Diego County, California (33.0° N, 117.1° W: paleocoordinates 33.7° N, 103.1° W)

• coordinate estimated from map

When: Mission Valley Formation (Poway Group), Lutetian (47.8 - 41.3 Ma)

Environment/lithology: lagoonal; sandstone

Size class: macrofossils

Primary reference: C. R. Givens and M. P. Kennedy. 1979. Eocene molluscan stages and their correlation, San Diego area, California. Pacific Section SEPM 1979:81-95 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 200759: authorized by Mark Uhen, entered by Mark Uhen on 15.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pholadida - Corbulidae
Corbula cf. hornii Gabb 1864 clam
 Cardiida - Mactridae
"Spisula bisculpturata" = Mactromeris bisculpturata
"Spisula bisculpturata" = Mactromeris bisculpturata Anderson and Hanna 1942 clam
 Cardiida - Veneridae
"Callista hornii" = Meretrix hornii
"Callista hornii" = Meretrix hornii Gabb 1864 venus clam
 Cardiida - Tellinidae
Tellina tehachapi Anderson and Hanna 1925 tellin clam
 Cardiida - Psammobiidae
"Gari hornii" = Gari (Gobraeus) hornii
"Gari hornii" = Gari (Gobraeus) hornii Gabb 1864 clam
 Cardiida - Cardiidae
"Acanthocardia brewerii" = Acanthocardia (Schedocardia) brewerii
"Acanthocardia brewerii" = Acanthocardia (Schedocardia) brewerii Gabb 1864 cockle
Gastropoda
 Neogastropoda - Fasciolariidae
 Ficoidea - Ficidae
"Pseudoperissolax blakei" = Perissolax blakei
"Pseudoperissolax blakei" = Perissolax blakei Conrad 1855 fig shell
 Naticoidea - Naticidae
Sinum obliquum Gabb 1864 moon snail
 Tonnoidea - Bursidae
Ranellina pilsbryi Stewart 1927 frog shell
 Sorbeoconcha - Turritellidae
Turritella uvasana Conrad 1855 turret shell
subspecies sargenti
 Architectonicoidea - Architectonicidae
Architectonica hornii Gabb 1864 sundial