Where: California (40.5° N, 122.6° W: paleocoordinates 40.8° N, 73.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gabbioceras wintunius ammonoid zone, Chickabally Member (Budden Canyon Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by C. Schuchman, M.A. Murphy; reposited in the CAS

Primary reference: P. U. Rodda, M. A. Murphy, and C. Schuchman. 1993. The nautilid Eucymatoceras (Mollusca: Cephalopoda) in the Lower Cretaceous of northern California. The Veliger 36:265-269 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167366: authorized by Matthew Clapham, entered by Matthew Clapham on 12.03.2015

Creative Commons license: CC BY (attribution)