UCR 4856 (Eocene of the United States)

Where: San Diego County, California (32.8° N, 117.2° W: paleocoordinates 33.5° N, 103.2° W)

• coordinate estimated from map

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

Environment/lithology: deep subtidal shelf; shale

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 200716: authorized by Mark Uhen, entered by Mark Uhen on 15.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Trochoidea - Solariellidae
Solariella crenulata
Solariella crenulata Gabb 1864 snail
 Cerithioidea - Cerithiidae
Bittium cliffensis
Bittium cliffensis Hanna 1927 cerith snail
 Cerithioidea - Turritellidae
Turritella uvasana
Turritella uvasana Conrad 1855 turret shell
subspecies applinae
 Sorbeoconcha - Naticidae
Tejonia moragai, "Neverita globosa" = Neverita (Neverita) globosa, Natica domenginica, "Natica rosensis" = Natica (Carinacca) rosensis
Tejonia moragai Stewart 1927 moon snail
"Neverita globosa" = Neverita (Neverita) globosa Gabb 1869 moon snail
Natica domenginica Vokes 1939 moon snail
"Natica rosensis" = Natica (Carinacca) rosensis Hanna 1927 moon snail
 Neogastropoda - Fasciolariidae
"Sassia bilineata" = Fasciolaria bilineata
"Sassia bilineata" = Fasciolaria bilineata Dickerson 1916 tulip snail
 Neogastropoda - Buccinidae
Terebrifusus howei
Terebrifusus howei Hanna 1927 true whelk
 Neogastropoda - Melongenidae
"Ficopsis cooperiana" = Fusus (Hemifusus) cooperii
"Ficopsis cooperiana" = Fusus (Hemifusus) cooperii Gabb 1864 snail
 Neogastropoda - Conidae
Conus hornii
Conus hornii Gabb 1864 cone shell
subspecies cf. umpquaensis
 Neogastropoda - Turridae
Eosurcula praeattenuata, Pleurofusia ladrilloensis, Pleurofusia fresnoensis
Eosurcula praeattenuata Gabb 1869 turrid
Pleurofusia ladrilloensis Hanna 1927 turrid
Pleurofusia fresnoensis Arnold 1909 turrid
 Sorbeoconcha - Seraphsidae
Paraseraphs erraticus
Paraseraphs erraticus Cooper 1894 snail
 Sorbeoconcha - Strombidae
"Ectinochilus supraplicatus" = Rimella supraplicata
"Ectinochilus supraplicatus" = Rimella supraplicata Gabb 1864 true conch
Bivalvia
 Arcida - Glycymerididae
"Glycymeris rosecanyonensis" = Glycymeris (Glycymeris) rosecanyonensis
"Glycymeris rosecanyonensis" = Glycymeris (Glycymeris) rosecanyonensis Hanna 1927 clam
 Cardiida - Tellinidae
"Macoma cf. rosa" = Macoma (Rexithaerus) rosa
"Macoma cf. rosa" = Macoma (Rexithaerus) rosa Hanna 1927 tellin clam
 Cardiida - Veneridae
"Pitar kelloggi" = Antigona kelloggi, "Pitar sorrentoensis" = Pitaria sorrentoensis
"Pitar kelloggi" = Antigona kelloggi Hanna 1927 venus clam
"Pitar sorrentoensis" = Pitaria sorrentoensis Hanna 1927 venus clam
 Pholadida - Corbulidae
"Corbula cf. parilis" = Caryocorbula parilis, Corbula tomulata, "Anapteris wardii" = Corbula wardii
"Corbula cf. parilis" = Caryocorbula parilis Gabb 1864 clam
Corbula tomulata Hanna 1927 clam
"Anapteris wardii" = Corbula wardii Hanna 1927 clam
 Carditida - Crassatellidae
Crassatella uvasana
Crassatella uvasana Conrad 1855 clam
subspecies semidentata
 Carditida - Carditidae
"Glyptoactis cf. domenginica" = Glyptoactis (Claibornicardia) domenginica
"Glyptoactis cf. domenginica" = Glyptoactis (Claibornicardia) domenginica Vokes 1939 clam