USGS 84TC51 (Eocene of Mexico)

Also known as Arroyo Mezquital

Where: Baja California Sur, Mexico (26.2° N, 112.4° W: paleocoordinates 26.4° N, 99.3° W)

When: Bateque Formation, Middle Eocene (47.8 - 37.7 Ma)

• type locality of the Bateque Formation

•section at the northern side of Arroyo San Ramon, near Rancho Batequi del Monreal (Rancho Bateque), approximately 2.5 km northeast of latitude 27'00" and longitude 113"00'W (San Jose de Gracia Quadrangle, Baja California Sur, Mexico, 1: 50,000 chart number G12A64, INEGI, 1983

Environment/lithology: marine; micaceous sandstone

• The measured section is 52 m thick and consists mainly of medium to very fine micaceous, feldspathic sandstone with interbedded fossiliferous lenses and siltstones.

Size class: macrofossils

Primary reference: A. L. Carreño and T. M. Cronin. 1993. Middle Eocene Ostracoda from Baja California Sur, Mexico. Journal of Micropalaeontology 12(2):141-153 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 201740: authorized by Mark Uhen, entered by Mark Uhen on 24.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Podocopida - Hemicytheridae
Hermanites batequensis n. sp. Carreño and Cronin 1993 ostracod
Jugosocythereis bermejoensis n. sp. Carreño and Cronin 1993 ostracod
Occultocythereis gioargaezi n. sp. Carreño and Cronin 1993 ostracod
 Podocopida - Pontocyprididae
 Podocopida - Cytheridae
Paijenborchella mezquitalensis n. sp. Carreño and Cronin 1993 ostracod
 Podocopida - Loxoconchidae
Loxoconcha sp. Sars 1866 ostracod
 Podocopida - Trachyleberididae
Bajacythere bajaensis n. gen. n. sp.
Bajacythere bajaensis n. gen. n. sp. Carreño and Cronin 1993 ostracod