El Nuevo (Eocene of Argentina)

Also known as Gran Barranca faunule 15, GBV-60, Gran Barranca Fauna "El Nuevo"

Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 48.0° S, 59.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Barrancan - Mustersan mammal zone, Rosado Member (Sarmiento Formation), Bartonian (41.3 - 38.0 Ma)

• Transitional between the Barrancan and Mustersan SALMAs, about 38 Ma (Woodburne et al. 2014).

•Near middle of Gran Barranca section V of Cifelli (1985), near bottom of a large section of "massive impure, faintly bedded 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 176189: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata - Notostylopidae
Homalostylops parvus Ameghino 1897 notoungulate
Notostylops indet. Ameghino 1897 notoungulate
 Notoungulata -
Periphragnis exauctus Ameghino 1902 notoungulate
 Notoungulata - Oldfieldthomasiidae
Ultrapithecus rutilans Ameghino 1901 notoungulate
 Notoungulata - Notopithecidae
Notopithecus sp.4 Ameghino 1897 notoungulate
Antepithecus sp.4 Ameghino 1901 notoungulate
Transpithecus sp.4 Ameghino 1901 notoungulate
 Notoungulata - Archaeohyracidae
Eohyrax indet. Ameghino 1901 notoungulate
 Panameriungulata - Didolodontidae
Didolodus magnus n. sp.3 Gelfo 2010 placental
MPEF 7856 (M2?, holotype), MPEF 7857 (M2? fragment), MPEF 7858 (M3?), possibly MPEF 7859 (m2)
 Theriamorpha -
 Cingulata - Dasypodidae
Utaetus lenis2 Ameghino 1902 armadillo
? Utaetus deustus2 Ameghino 1902 armadillo
Utaetus cf. deustus1 Ameghino 1902 armadillo
"Orthutaetus crenulatus" = Utaetus buccatus2 Ameghino 1902 armadillo
Stegosimpsonia sp.1 Vizcaino 1994 armadillo
"Sadypus sp." = Meteutatus1 Ameghino 1902 armadillo
Mazzoniphractus ingens2 Carlini et al. 2010 armadillo
Parutaetus chicoensis2 Ameghino 1902 armadillo
 Cingulata - Peltephilidae