UCMP 3296, Aliso Canyon, east of Simi Valley (Eocene to of the United States)

Where: Los Angeles County, California (34.3° N, 118.6° W: paleocoordinates 36.1° N, 102.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Position within Llajas formation is unknown

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Reposited in the UCMP

Primary reference: H. E. Vokes. 1939. Molluscan faunas of the Domengine and Arroyo Hondo Formations of the California Eocene. Annals of the New York Academy of Sciences 38:1-246 [A. Miller/A. Hendy/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 183752: authorized by Matthew Clapham, entered by Matthew Clapham on 15.01.2017, edited by Patricia Holroyd and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Architaenioglossa - Ampullinidae
"Cernina (Eocernina) hannibali" = Eocernina hannibali
"Cernina (Eocernina) hannibali" = Eocernina hannibali Dickerson 1914 snail
 Neogastropoda - Ptychatractidae
Exilia llajasensis2 Bentson 1940 snail
 Stromboidea - Strombidae
Terebellum californicum Vokes 1939 true conch
 Cypraeoidea - Eocypraeidae
"Eocypraea (Eocypraea) moumieti" = Sulcocypraea moumieti1
"Eocypraea (Eocypraea) moumieti" = Sulcocypraea moumieti1 Dolin and Dolin 1983 snail