UCR 4991 (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: upper Member (Scripps Formation), 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 200754: 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
 Sorbeoconcha - Naticidae
"Neverita globosa" = Neverita (Neverita) globosa, Tejonia moragai
"Neverita globosa" = Neverita (Neverita) globosa Gabb 1869 moon snail
Tejonia moragai Stewart 1927 moon snail
 Neogastropoda - Turridae
Pleurofusia fresnoensis
Pleurofusia fresnoensis Arnold 1909 turrid
 Neogastropoda - Nassariidae
Molopophorus antiquatus
Molopophorus antiquatus Gabb 1864 snail
 Neogastropoda - Muricidae
"Laevityphis antiquus" = Typhis antiquus, Pseudoperissolax blakei
"Laevityphis antiquus" = Typhis antiquus Gabb 1864 murex snail
Pseudoperissolax blakei Conrad 1855 murex snail
 Neogastropoda - Perissityidae
Nekewis io
Nekewis io Gabb 1864 snail
 Sorbeoconcha - Strombidae
"Ectinochilus supraplicatus" = Rimella supraplicata
"Ectinochilus supraplicatus" = Rimella supraplicata Gabb 1864 true conch
 Sorbeoconcha - Cassidae
Phalium tuberculiformis
Phalium tuberculiformis Gabb 1864 snail
 Cerithioidea - Turritellidae
Turritella uvasana
Turritella uvasana Conrad 1855 turret shell
subspecies neopleura
Bivalvia
 Arcida - Arcidae
Pachecoa hornii
Pachecoa hornii Gabb 1864 clam
 Lucinida - Lucinidae
"Miltha cf. packi" = Gibbolucina (Eomiltha) packi
"Miltha cf. packi" = Gibbolucina (Eomiltha) packi Dickerson 1916 clam
 Cardiida - Mactridae
"Spisula bisculpturata" = Mactromeris bisculpturata
"Spisula bisculpturata" = Mactromeris bisculpturata Anderson and Hanna 1925 clam
 Cardiida - Veneridae
"Callista tecolotensis" = Macrocallista tecolotensis, Callista soledadensis, "Pitar uvasanus" = Pitar uvasana
"Callista tecolotensis" = Macrocallista tecolotensis Hanna 1927 venus clam
Callista soledadensis Hanna 1927 venus clam
"Pitar uvasanus" = Pitar uvasana Conrad 1855 venus clam
subspecies uvasanus
 Cardiida - Tellinidae
Macoma viticola, "Tellina castacana" = Tellina (Angulus) castacana
Macoma viticola Anderson and Hanna 1925 tellin clam
"Tellina castacana" = Tellina (Angulus) castacana Anderson and Hanna 1925 tellin clam
 Cardiida - Psammobiidae
"Gari hornii" = Gari (Gobraeus) hornii
"Gari hornii" = Gari (Gobraeus) hornii Gabb 1864 clam
 Carditida - Crassatellidae
Crassatella uvasana
Crassatella uvasana Conrad 1855 clam
subspecies semidentata