LACMIP loc. 23688, Upper Sespe Creek (Eocene of the United States)

Also known as UCLA loc. 3688

Where: Ventura County, California (34.5° N, 119.2° W: paleocoordinates 35.3° N, 105.2° W)

• coordinate based on political unit

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

• "Tejon Stage". AGE: revised to Lutetian and "Matilija Sandstone" following EPICC stratigraphic revision.

Environment/lithology: marine; fine-grained, silty sandstone

Size class: macrofossils

Primary reference: R. L. Squires. 1994. Macropaleontology of Eocene marine rocks, upper Sespe Creek area, Ventura County, southern California. SEPM (Society for Sedimentary Geology) Pacific Section 74:39-56 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 202046: authorized by Mark Uhen, entered by Mark Uhen on 19.06.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neotaenioglossa - Calyptraeidae
Calyptraea diegoana Conrad 1855 slipper shell
 Cerithioidea - Turritellidae
Turritella uvasana Conrad 1855 turret shell
subspecies uvasana
 Heterostropha - Architectonicidae
Architectonica hornii Gabb 1864 sundial
Bivalvia
 Cardiida - Cardiidae
"Acanthocardia (Shedocardia) brewerii" = Schedocardia brewerii
"Acanthocardia (Shedocardia) brewerii" = Schedocardia brewerii Gabb 1864 cockle
 Cardiida - Tellinidae
"Tellina lebecki" = Tellina (Phyllodina) lebecki
"Tellina lebecki" = Tellina (Phyllodina) lebecki Anderson and Hanna 1925 tellin clam