Arroyo Castillo ( of Argentina)

Also known as Curuzú Cuatiá

Where: Corrientes, Argentina (29.8° S, 58.1° W: paleocoordinates 30.6° S, 51.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Reposited in the MACN

Primary reference: G. Billet, C. Muizon, and B. Mamani-Quispe. 2008. Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution. Zoological Journal of the Linnean Society 152:153-200 [C. Jaramillo/A. Cardenas /K. Pino]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176650: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 23.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata - Mesotheriidae
"Ameghinotherium curuzucuatiense n. gen. n. sp." = Trachytherus spegazzinianus
"Ameghinotherium curuzucuatiense n. gen. n. sp." = Trachytherus spegazzinianus Ameghino 1889 notoungulate
MACN 6867, partial skull, holotype