Where: San Joaquin County, California (37.5° N, 121.4° W: paleocoordinates 36.3° N, 76.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Great Valley Group, Albian (113.0 - 100.5 Ma)

• Str. position: "Horsetown" Fossils: Leconteites cf. lecontei (ANDERSON) [mislabelled as Oregoniceras sp.], Syncyclonema sp.

•Age: Albian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Allan Bennison in 1940; reposited in the UCMP

Collection methods: surface (in situ),

• Coll.: Allan BENNISON, summer 1940 (#484)

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: biostratigraphic analysis

PaleoDB collection 225826: authorized by Jonathan Marcot, entered by Jonathan Marcot on 01.06.2022

Creative Commons license: CC BY (attribution)