Where: Ventura County, California (33.0° N, 117.0° W: paleocoordinates 32.7° N, 115.1° W)

• coordinate stated in text

When: Oso Member (Capistrano Formation), Messinian (7.2 - 5.3 Ma)

• age after Barboza et al., 2017

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the USNM

Primary reference: V. A. Zullo and J. W. Durham. 1962. The Echinoid Genus Megapetalus Clark. Journal of Paleontology 36(3):524-528 [E. Clites/E. Clites]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194099: authorized by Erica Clites, entered by Erica Clites on 13.06.2018

Creative Commons license: CC BY (attribution)