Also known as East of Calkins Ranch House

Where: Shasta County, California (40.6° N, 122.2° W: paleocoordinates 43.7° N, 85.3° W)

• coordinate estimated from map

When: Frazier Siltstone Member (Redding Formation), Middle Turonian (93.5 - 89.3 Ma)

• Str. position: Member II of POPENOE

•Fossils: Romaniceras deverioide ( GROSSOUVRE)[ =Mantelliceras conquistador ANDERSON, 1958, holotype and another example]

•Age: Middle Turonian

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by A. L. Rohrback; reposited in the CAS

Primary reference: T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 224987: authorized by Jonathan Marcot, entered by Jonathan Marcot on 15.04.2022

Creative Commons license: CC BY (attribution)