Gran Barranca faunule 16 (Paleogene of Argentina)

Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 47.6° S, 59.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Tinguirirican mammal zone, Vera Member (Sarmiento Formation), Tinguirirican (36.0 - 29.0 Ma)

• Tinguirirican SALMA, latest Eocene/early Oligocene (Madden et al. 2010).

•High in Gran Barranca section V of Cifelli (1985), near top of "massive, impure, faintly beaded tuff with Mn, especially in lower part"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 176195: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata -
"? Eomorphippus pascuali n. sp." = Rosendo pascuali, Eomorphippus obscurus
"? Eomorphippus pascuali n. sp." = Rosendo pascuali Simpson 1967 notoungulate
AMH 29405, holotype, maxilla P2-M2 (see Simpson, 1967:185, ref. 10312).
Eomorphippus obscurus Ameghino 1901 notoungulate
Specimen is probably AMNH 29462, maxilla fragment with M2-3, discussed by Simpson (1967:184-185, ref. 10312).