Where: Monterey County, California (36.3° N, 121.3° W: paleocoordinates 35.5° N, 116.9° 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
•taxa are found only in collections from USGS localities M902 and M981 in Reliz Canyon. These localities are near the northwestern end of the outcrop area of the
•Pancho Rico and have an unusual faunal composition with respect to assemblages frmn the type area on Pancho Rico Creek and elsewhere on the east side of Salinas Valley. Water depths of 30 fathoms or more are suggested by the presence of Tu,rcica sp. and abundant Terebratalia arnoldi Hertlein and Grant.
Size class: macrofossils
Collected by D. L Durham in 1960
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 195081: authorized by Patricia Holroyd, entered by Susan Tremblay on 17.07.2018
Creative Commons license: CC BY (attribution)