Where: Monterey County, California (36.0° N, 120.5° W: paleocoordinates 35.3° N, 116.1° W)
• coordinate stated in text
When: Pancho Rico Formation, Miocene (23.0 - 5.3 Ma)
• Described in reference as Pliocene. Pancho Rico Formation is Miocene per Addicott 1978 (Geological Survey Bulletin, Issue 1457).
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: D. L. Durham and W. O. Addicott. 1965. Pancho Rico Formation, Salinas Valley. United States Geological Survey Professional Paper 524(A):A1-A22 [P. Holroyd/S. Tremblay]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 195120: authorized by Patricia Holroyd, entered by Susan Tremblay on 20.07.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turritella cooperi Carpenter 1864 turret shell | |
Calyptraea sp. Lamarck 1799 slipper shell | |
Bivalvia | |
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam | |
Lyropecten sp. Conrad 1862 scallop | |
"? Trachycardium quadragenarium" = Dallocardia quadragenarium
"? Trachycardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle | |
"Florimetis biangulata" = Leporimetis obesa, Macoma cf. nasuta
"Florimetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam
Macoma cf. nasuta Conrad 1837 tellin clam |