Where: Baja California Sur, Mexico (31.3° N, 116.4° W: paleocoordinates 30.6° N, 112.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Miocene (23.0 - 5.3 Ma)
• bed-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 203577: authorized by Mark Uhen, entered by Mark Uhen on 20.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
"Cassidulus mexicanus" = Cassidulus (Rhynchopygus) mexicanus
"Cassidulus mexicanus" = Cassidulus (Rhynchopygus) mexicanus Kew 1920 sea urchin |