Graciosa Ridge (Pliocene of the United States)

Where: Santa Barbara County, California (34.8° N, 120.4° W: paleocoordinates 34.6° N, 119.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Etchegoin Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)

• group of beds-level stratigraphic resolution

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 203549: authorized by Mark Uhen, entered by Mark Uhen on 19.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Dendrasteridae
Dendraster ashleyi Arnold 1907 sand dollar