Where: Yolo County, California (38.7° N, 122.2° W: paleocoordinates 42.1° N, 86.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Sites Formation (Asuncion Group), Late/Upper Turonian to Late/Upper Turonian (93.5 - 86.3 Ma)

• Str. position: Uppermost part of Sites formation ( ?)

•Fossils: Scaphites sp. ( cf. yokoyamai JIMBO), Otoscaphites cf. puereulus (JIMBO), bituberculate pachydiscid ammonite (Pseudojacobites or Menuites indet.), In­oceramus sp. (group of I. lamarcki-cordiformis)

•Age: Turonian or Coniacian

• bed-level stratigraphic resolution

Environment/lithology: marine; siltstone

Size class: macrofossils

Collected by J. M. Kirby and T. H. Crook in 1933; reposited in the CAS

Collection methods: quarrying,

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 225448: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.05.2022

Creative Commons license: CC BY (attribution)