CSUN Loc. 1291c [Bateque Fm] (Eocene to of Mexico)

Where: Baja California, Mexico (26.7° N, 112.9° W: paleocoordinates 28.3° N, 97.5° W)

• outcrop-level geographic resolution

When: Bateque Formation, Ypresian to Ypresian (56.0 - 41.3 Ma)

• This collection is from section 2 of the author's four section division of the formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, bioturbated, shelly/skeletal, yellow sandstone and lithified limestone

• 90 m thick shallow marine deposits that...consist of bioturbated and parallel-laminated, yellow, very fine-grained sandstone (75%) with many interbedded lenses (25%) filled with abundant macrofossils. lenses are described as poorly sorted coquinas.

Size class: macrofossils

Reposited in the LACM

Primary reference: R. L. Squires and R. A. Demetrion. 1992. Paleontology of the Eocene Bateque Formation, Baja California Sur, Mexico. Contributions in Science (Natural History Museum of Los Angeles County) 434:1-55 [A. Miller/K. Layou]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5503: authorized by Arnold Miller, entered by Karen Layou on 08.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella ? uvasana Conrad 1855 turret shell
Turritella uvasana s.s. ? T. uvasana applinae
"Turritella lawsoni" = Turritella andersoni lawsoni Dickerson 1916 turret shell
Turritella andersoni lawsoni
 Neogastropoda - Conidae
Conus caleocius Vokes 1939 cone shell
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium stentor Anderson and Hanna 1925 tusk shell