CSUN Loc. 372, Devil Canyon, Santa Susana Mountains (Eocene to of the United States)

Also known as LAMCIP 40372

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

• Paleocoordinates: 40.0° N, 94.8° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Llajas Formation, Ypresian to Ypresian (56.0 - 41.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; bioturbated sandstone

• sandstone.

Size class: macrofossils

Reposited in the LACM

Collection methods: bulk,

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 200143: authorized by Jonathan Marcot, entered by Jonathan Marcot on 22.03.2019

Creative Commons license: CC0 (CC0)

Taxonomic list

• New species only.
Bivalvia
 Cardiida - Veneridae
"Callocardia (Nitidavenus) tejonensis" = Nitidavenus tejonensis
"Callocardia (Nitidavenus) tejonensis" = Nitidavenus tejonensis Waring 1914 venus clam
Gastropoda
 Heterostropha - Architectonicidae
 Cerithioidea - Turritellidae
Turritella buwaldana Dickerson 1916 turret shell
 Architaenioglossa - Ampullinidae
Eocernina hannibali Dickerson 1914 snail
Pachycrommium clarki Stewart 1927 snail
 Sorbeoconcha - Cassidae
 Neogastropoda - Volutidae
Lyria andersoni Waring 1917 volute
 Neogastropoda - Turridae
Surculites mathewsonii Gabb 1864 turrid
 Neogastropoda - Clathurellidae
 Sorbeoconcha - Strombidae
 Sorbeoconcha - Eocypraeidae
Eocypraea judithsmithae n. sp. Groves and Squires 2023 snail
 Opisthobranchiata - Retusidae
Cylichnina tantilla Anderson and Hanna 1925 snail