LACMIP 2852 (Cretaceous to of Mexico)

Also known as UCMP loc. 6790

Where: Baja California, Mexico (29.5° N, 115.3° W)

• Paleocoordinates: 38.9° N, 79.3° W (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Rosario Formation, Late/Upper Campanian to Late/Upper Campanian (83.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. Webster; reposited in the LACM

Primary reference: M. L. Webster. 1983. New Species of Xenophora and Anchura (Mollusca: Gastropoda) from the Cretaceous of Baja California Norte, Mexico. Journal of Paleontology 57(5):1090-1097 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190523: authorized by Patricia Holroyd, entered by Patricia Holroyd on 10.12.2017, edited by Jonathan Marcot

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Heterostropha - Ringiculidae
? Ringicula (? Ringiculopsis) hesperiae2
? Ringicula (? Ringiculopsis) hesperiae2 Squires and Saul 2001 snail
 Neogastropoda - Perissityidae
Perissitys colocara1
Perissitys colocara1 Popenoe and Saul 1987 snail
 Sorbeoconcha - Aporrhaidae
Anchura gibbera
Anchura gibbera Webster 1983 snail
 Sorbeoconcha - Xenophoridae
Xenophora willisi n. sp.
Xenophora willisi n. sp. Webster 1983 carrier shell
1Popenoe and Saul 1987; 2Squires and Saul 2001