Mount Diablo region (Pliocene of the United States)
Where: Fresno County, California (36.3° N, 120.3° W: paleocoordinates 36.1° N, 119.1° W)
When: San Pablo Group, Early/Lower Pliocene (5.3 - 3.6 Ma)
• Uppermost San Pablo greoup equivalent to lower Etchegoin (Jacalitos)
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 203545: authorized by Mark Uhen, entered by Mark Uhen on 19.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Echinoidea | |
"Astrodapsis major" = Astrodapsis arnoldi
"Astrodapsis major" = Astrodapsis arnoldi Clark and Twitchell 1915 sand dollar |