Arroyo Ávalos ( of Argentina)

Where: Corrientes, Argentina (29.7° S, 58.7° W: paleocoordinates 30.5° S, 52.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• upper “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 181627: 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
 Notoungulata - Hegetotheriidae
Prohegetotherium schiaffinoi Kraglievich 1932 notoungulate
PZ-Ctes 3755, left dentary fragment with broken p2-3; 3766, right P3; 3767, right P2
 Rodentia - Chinchillidae
Eoviscaccia sp. Vucetich 1989 chinchilid
"sección superior". PZ-Ctes 3766a, P4?
 Rodentia - Cephalomyidae
Cephalomyopsis sp. Vucetich 1985 caviomorph
"sección superior". PZ-Ctes no 3757, left mandible fragment with p4 and anterior part of m1