CSUN Loc. 492 (Eocene of the United States)

Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 35.1° N, 104.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: offshore; sandstone

• Shallow-marine (transgressive) facies

Size class: macrofossils

Reposited in the LACM

Collection methods: bulk,

• Repository: Formerly California State University Northridge (CSUN)

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 201701: authorized by Jonathan Marcot, entered by Jonathan Marcot on 21.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
Brachidontes (Brachidontes) cowlitzensis Weaver and Palmer 1922 mussel
Gastropoda
 Cephalaspidea - Cylichnidae
"Cylichnina tantilla" = Cylichnella tantilla
"Cylichnina tantilla" = Cylichnella tantilla Anderson and Hanna 1925 snail
 Architaenioglossa - Ampullinidae
Pachycrommium clarki Stewart 1927 snail