Arroyo María Grande ( of Argentina)

Where: Corrientes, Argentina (29.3° S, 58.7° W: paleocoordinates 30.1° S, 52.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Fray Bentos Formation, Deseadan (29.0 - 21.0 Ma)

• lower “section”

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: M. Bond, G. López, M. A. Reguero, G. J. Scillato-Yané, and M. G. Vucetich. 1998. Los mamíferos de la Formación Fray Bentos (Edad Mamífero Deseadense, Oligoceno superior?) de las provincias de Corrientes y Entre Rí­os, Argentina. Asociación Paleontológica Argentina, Publicación Especial 5:41-50 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181626: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 24.09.2016, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cingulata - Dasypodidae
Dasypodidae indet. Gray 1821 armadillo
PZ-Ctes No 3769, partial osteoderm
Euphractini indet. Winge 1923 armadillo
PZ-Ctes No 3701, osteoderm
 Placentalia -
Notoungulata "indet. 2" Roth 1903 notoungulate
PZ-Ctes no 3776, left mandible fragment with parts of i2-p2
Notoungulata "indet. 3" Roth 1903 notoungulate
"sección inferior". PZ-Ctes no 3770, maxillary fragment with right I1-3?
 Notoungulata - Archaeohyracidae
? Archaeohyracidae indet. Ameghino 1897 notoungulate
CTES-PZ 3778
cf. Archaeohyrax suniensis Billet et al. 2009 notoungulate
PZ-Ctes 3772, left dentary fragment with broken m2; 3756, right dentary fragment with ?m1-2
 Notoungulata - Interatheriidae
Argyrohyrax proavus Ameghino 1897 notoungulate
PZ-Ctes 3768, partial right dentary with c1-p1
 Notoungulata -
cf. Mendozahippus fierensis Cerdeño and Vera 2010 notoungulate
"sección inferior". PZ-Ctes no 3788, maxillary fragment with poorly preserved DP2-4
 Rodentia - Chinchillidae
Eoviscaccia sp. Vucetich 1989 chinchilid
"sección inferior". PZ-Ctes No 3769a, left p4