LACMIP loc. 23634, Chico Creek (Cretaceous of the United States)

Also known as UCLA 3634

Where: Butte County, California (39.9° N, 121.7° W: paleocoordinates 47.2° N, 90.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ten Mile Member (Chico Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From Ten Mile Mbr of Chico Fm. Lithostratigraphy not discussed here, but can be found in Squires and Saul (2003). AGE: Lower Campanian. STRATIGRAPHIC POSITION: From unknown position within Ten Mile Mbr Member.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, gray, green sandstone

• ENVIRONMENT: No environmental reported. Presumably shallow-water siliciclastic marine.
• SPECIFIC LITHOLOGY: Massive, greenish-grey sandstone. LITHIFICATION: Poorly-lithified, based on figured specimens.

Size class: macrofossils

Reposited in the LACM

Collection methods: surface (in situ),

Primary reference: R. L. Squires and L. R. Saul. 1997. Late Cretaceous occurrence on the Pacific slope of North America of the melanopsid gastropod genus Boggsia Olsson, 1929. The Veliger 40:193-202 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210580: authorized by Jonathan Marcot, entered by Jonathan Marcot on 05.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Melanopsidae
Boggsia tenuis
Boggsia tenuis Gabb 1864 snail
 Epitonioidea - Epitoniidae
Acirsa beta n. sp., Acirsa beta, Belliscala meta
Acirsa beta n. sp. Squires and Saul 2003 wentletrap
Acirsa beta Squires and Saul 2003 wentletrap
listed as holotype in figure 42-44 caption
Belliscala meta Squires and Saul 2003 wentletrap