Where: Mariposa County, California (37.6° N, 120.1° W: paleocoordinates 32.2° N, 66.0° W)
• coordinate estimated from map
When: Mariposa Formation, Late/Upper Oxfordian to Late/Upper Oxfordian (161.2 - 150.8 Ma)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by H. W. Turner in 1884
Primary reference: R. W. Imlay. 1961. Late Jurassic ammonites from the western Sierra Nevada, California. United States Geological Survey Professional Paper 374-D:D-1-D-28 [J. Marcot/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 192858: authorized by Jonathan Marcot, entered by Jonathan Marcot on 20.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Buchia concentrica White 1888 scallop | |
Cephalopoda | |
"? Pseudocadoceras sp." = Cadoceras (Pseudocadoceras)
"? Pseudocadoceras sp." = Cadoceras (Pseudocadoceras) Buckman 1918 ammonite |