Where: San Mateo County, California (37.2° N, 122.2° W: paleocoordinates 39.9° N, 105.0° W)

When: Early/Lower Eocene (55.8 - 48.6 Ma)

• Martinez?

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: U. S. Grant and L. G. Hertlein. 1938. The West American Cenozoic Echinoidea. Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2:1-225 [L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 203410: authorized by Mark Uhen, entered by Mark Uhen on 14.08.2019

Creative Commons license: CC BY (attribution)