North Coalinga (Miocene of the United States)

Where: Fresno County, California (36.4° N, 120.4° W: paleocoordinates 35.9° N, 117.9° W)

When: Santa Margarita Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

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 203543: authorized by Mark Uhen, entered by Mark Uhen on 19.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Echinarachniidae
"Astrodapsis scutelliformis" = Astrodapsis spatiosus, "Astrodapsis coalingaensis" = Astrodapsis whitneyi, "Astrodapsis grandis" = Astrodapsis whitneyi
"Astrodapsis scutelliformis" = Astrodapsis spatiosus Kew 1920 sand dollar
"Astrodapsis coalingaensis" = Astrodapsis whitneyi Rémond 1863 sand dollar
"Astrodapsis grandis" = Astrodapsis whitneyi Rémond 1863 sand dollar