Where: Río Negro, Argentina (41.0° S, 70.9° W)
• Paleocoordinates: 40.3° S, 68.3° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Collón Cura Formation, Colloncuran (15.5 - 13.8 Ma)
• A recent 40Ar/39Ar analysis in amphibole crystals collected from fresh pumice clasts revealed an age of 14.86 ± 0.13 Ma for the middle section of the Collón Curá Formation in the Gastre Basin (Bilmes et al. 2013), placing this unit and its fauna in the middle Miocene (Langhian)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; tuffaceous sandstone
•ized by tuff, sandstone, and ignimbrite, bearing fossil mam- mals below and above the Pilcaniyeu Ignimbrite Member (Vucetich et al. 1993; Cucchi et al. 1998; Escosteguy et al. 2013).
Size class: macrofossils
Primary reference: B. Vera, M. Reguero, and L. González-Ruiz. 2017. The Interatheriinae notoungulates from the middle Miocene Collón Curá Formation in Argentina. Acta Palaeontologica Polonica 62(4):845-863 [P. Mannion/M. Kouvari]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 198567: authorized by Philip Mannion, entered by Miranta Kouvari on 18.12.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Protypotherium colloncurensis, "Protypotherium endiadys" = Protypotherium praerutilum
Protypotherium colloncurensis Vera et al. 2017 notoungulate
"Protypotherium endiadys" = Protypotherium praerutilum Ameghino 1887 notoungulate |