CSUN Loc. 440 (Eocene to of the United States)

Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 36.1° N, 103.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Llajas Formation, Ypresian to Ypresian (56.0 - 41.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, bioturbated sandstone

Size class: macrofossils

Reposited in the LACM

Collection methods: bulk,

• Repository: formerly CSUN (California State University Northridge)

Primary reference: R. L. Squires. 1984. Megapaleontology of the Eocene Llajas Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 350:1-76 [M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 200289: authorized by Jonathan Marcot, entered by Jonathan Marcot on 26.03.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Architaenioglossa - Ampullinidae
Eocernina hannibali Dickerson 1914 snail
 Stromboidea - Strombidae
"Ectinochilus (Macilentos) macilentus" = Ectinochilus (Macilentos) macilenta
"Ectinochilus (Macilentos) macilentus" = Ectinochilus (Macilentos) macilenta White 1889 true conch
 Tonnoidea - Cassidae
"Phalium (Semicassis) tuberculiformis" = Morio (Sconsia) tuberculatus
"Phalium (Semicassis) tuberculiformis" = Morio (Sconsia) tuberculatus Squires 1984 snail
 Sorbeoconcha - Turritellidae
Turritella andersoni Dickerson 1916 turret shell
as Turritella andersoni lawsoni
Turritella uvasana Conrad 1865 turret shell
as Turritella uvasana applinae