UCR 4879 (Eocene of the United States)

Where: San Diego County, California (32.9° N, 117.3° W: paleocoordinates 33.6° N, 103.2° W)

• coordinate estimated from map

When: Delmar Formation (La Jolla Group), Lutetian (47.8 - 41.3 Ma)

Environment/lithology: open shallow subtidal; sandstone

• inner shelf

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 200731: authorized by Mark Uhen, entered by Mark Uhen on 15.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neritoidea - Neritidae
"Nerita triangulata" = Nerita (Theliostyla) triangulata
"Nerita triangulata" = Nerita (Theliostyla) triangulata Gabb 1869 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea diegoana Conrad 1855 slipper shell
 Sorbeoconcha - Naticidae
Crommium cf. andersoni Dickerson 1914 moon snail
 Cerithioidea - Potamididae
Potamides carbonicola Cooper 1894 horn snail
 Cerithioidea - Melanopsidae
Loxotrema turritum Gabb 1869 snail
 Cerithioidea - Thiaridae
Pyrgulifera lajollaensis Hanna 1927 snail
Bivalvia
 Ostreida - Ostreidae
"Ostrea idriaensis" = Acutostrea idriaensis
"Ostrea idriaensis" = Acutostrea idriaensis Gabb 1869 oyster
 Mytilida - Mytilidae
Brachidontes cf. cowlitzensis Weaver and Palmer 1922 mussel
 Lucinida - Lucinidae
Myrtucina roseburgensis Turner 1938 clam
 Pholadida - Corbulidae
Cuneocorbula torreyensis Hanna 1927 clam
 Cardiida - Veneridae
Pelecyora aequilateralis Gabb 1869 venus clam
Tivelina cf. idriaensis Vokes 1939 venus clam
 Hiatellida - Hiatellidae
Panope torreyensis Hanna 1927 clam