CSUN Loc. 469a (Eocene of the United States)

Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 35.0° N, 104.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Llajas Formation, Lutetian (47.8 - 41.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; sandstone

• [Interfingering coastal alluvial-fan facies and shallow-marine (transgressive) facies.]

Size class: macrofossils

Preservation: mold/impression

Reposited in the LACM

• Collected by R.L. Squires, (1978)

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 201192: authorized by Jonathan Marcot, entered by Jonathan Marcot on 02.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Architaenioglossa - Ampullinidae
Pachycrommium clarki, Eocernina hannibali
Pachycrommium clarki Stewart 1927 snail
Eocernina hannibali Dickerson 1914 snail
 Cerithioidea - Turritellidae
Turritella meganosensis
Turritella meganosensis Clark and Woodford 1927 turret shell
as Turritella meganosensis protumescens
 Neogastropoda - Olividae
Olivella mathewsonii
Olivella mathewsonii Gabb 1864 olive snail
 Neogastropoda - Clathurellidae
Domenginella claytonensis