CIT 1545, Laguna Seca Creek (Cretaceous of the United States)

Where: Merced County, California (36.9° N, 120.8° W: paleocoordinates 42.8° N, 96.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tierra Loma Shale Member (Moreno Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Early late Maastrichtian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gypsiferous, gray shale

• "dark-colored, bituminous and highly gypsiferous shales"

Size class: macrofossils

Collected by B. Adams; reposited in the LACM

Primary reference: W. P. Elder and L. R. Saul. 1996. Taxonomy and biostratigraphy of Coniacian through Maastrichtian Anchura (Gastropoda; Aporrhaiidae) of the North American Pacific slope. Journal of Paleontology 70(3):381-399 [M. Patzkowsky/K. Layou/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185191: authorized by Matthew Clapham, entered by Matthew Clapham on 15.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Stromboidea - Aporrhaidae
? Anchura sp. Conrad 1860 snail