Where: Los Angeles County, California (34.1° N, 118.6° W: paleocoordinates 38.3° N, 98.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Selandian (61.6 - 59.2 Ma)

• Correlated with the lower "Martinez" on the basis of mollusks by Compton. Assigned to Selandian because of the presence of Mesalia martinezensis and Turritella pachecoensis, based on ages in Squires & Saul (2007).

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, gray, calcareous sandstone

Size class: macrofossils

Collected by R.R Compton in 1941; reposited in the CAS

Primary reference: R. R. Compton. 1944. A new Paleocene gastropod from southern California. Journal of Paleontology 18:464-469 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 205398: authorized by Matthew Clapham, entered by Matthew Clapham on 14.10.2019

Creative Commons license: CC BY (attribution)