IGM 2515 (Eocene of Mexico)

Where: Baja California Sur, Mexico (27.0° N, 112.9° W: paleocoordinates 27.2° N, 99.8° W)

When: Bateque Formation, Middle Eocene (48.6 - 37.2 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 201739: authorized by Mark Uhen, entered by Mark Uhen on 24.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Ostracoda
 Platycopida - Cytherellidae
Cytherella sp. Jones 1849 ostracod
 Podocopida - Trachyleberididae
Buntonia sp., Hazelina sp., "Acanthocythereis washburni" = Cythereis washburni
Buntonia sp. Howe 1935 ostracod
Hazelina sp. Moos 1966 ostracod
"Acanthocythereis washburni" = Cythereis washburni Stephenson 1944 ostracod
 Podocopida - Cytheridae
Paijenborchella trigona Marianos and Valentine 1958 ostracod
 Podocopida - Cytheruridae
Paracytheridea sp. Muller 1894 ostracod
 Podocopida - Hemicytheridae
Pokornyella sp. Oertil 1956 ostracod
Jugosocythereis monrealensis n. sp. Carreño and Cronin 1993 ostracod
 Podocopida - Bairdiidae
 Podocopida - Candonidae
Paracypris sp. Sars 1866 ostracod