Where: Cuba (23.1° N, 81.6° W)

• Paleocoordinates: 25.1° N, 76.1° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Güines Formation, Langhian (16.0 - 13.8 Ma)

• Brönniman & Rigasi (1963) placed the underlying Cojimar Formation in the Globorotalia fohsi zone (=N9-N12 in its broad sense, mid Langhian-Serravallian, or N10 for the Globorotalia fohsi fohsi zone, upper Langhian) on the basis of extensive planktonic foraminiferal sampling, and assigned the Güines Formation to the Globorotalia mayeri zone (=N14, or earliest Tortonian), although they only had samples from presumed time-equivalent beds. In the type area of the Güines Formation, Albear et al. (1992) found Orbulina bilobata and Praeorbulina glomerosa are one locality, indicating upper Burdigalian, and Globigerinoides with various species of Praeorbulina and Orbulina at another, characteristic of early middle Miocene N9 (Langhian) of Banner & Blow (1965, 1969). The formation is sometimes Burdigalian-middle Miocene, or sometimes only middle Miocene (Iturralde-Vinent, 1969); because it overlies the Cojimar Formation in Yumarí Gorge (unlike in some other places), it may only be middle Miocene here and a Langhian age is tentatively assigned.

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal, white limestone

Size class: macrofossils

Collected by Pedro J. Bermudez

• Repository: private collection of Pedro J. Bermudez

Primary reference: A. K. Miller and H. R. Downs. 1950. Tertiary nautiloids of the Americas: supplement. Journal of Paleontology 24:1-18 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180409: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2016

Creative Commons license: CC0 (CC0)