Also known as Juruá River; PRJ-33; PRJ 33

Where: Acre, Brazil (9.4° S, 72.7° W: paleocoordinates 11.5° S, 65.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Eocene to Late/Upper Eocene (37.2 - 28.4 Ma)

• Allochthonous detrital Holocene sediments (PRJ-33’, fine sand mixed with transported blocks of microconglomerate) deposited directly beneath the in situ PRJ-33 fossil-bearing locality; nearby the EOT (i.e., ca. 34 Ma), deriving from biochronological inference

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size classes: macrofossils, mesofossils

Primary reference: L. Marivaux, F. R. Negri, P.-O. Antoine, N. S. Stutz, F. L. Condamine, L. Kerber, F. Pujos, R. Ventura Santos, A. M. V. Alvim, A. S. Hsiou, M. C. Bissaro, Jr., K. Adami-Rodrigues, and A. M. Ribeiro. 2023. An eosimiid primate of South Asian affinities in the Paleogene of Western Amazonia and the origin of New World monkeys. Proceedings of the National Academy of Sciences 120(28):e230133812 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230905: authorized by Philip Mannion, entered by Philip Mannion on 26.07.2023

Creative Commons license: CC BY (attribution)