PBDB Collection

Barrancas Blancas (Oligocene of Argentina)

Also known as Camarones

Where: Chubut, Argentina (44.5° S, 66.0° W: paleocoordinates 46.2° S, 57.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Sarmiento Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• lower section of the Sarmiento Formation

• bed-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

Size class: macrofossils

Primary reference: M. T. Dozo, M. Ciancio, P. Bouza and G. Martínez. 2014. Nueva asociación de mamíferos del Paleógeno en el este de la Patagonia (provincia de Chubut, Argentina): implicancias biocronológicas y paleobiogeográficas. Andean Geology 41(1):224-247 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186572: authorized by Philip Mannion, entered by Philip Mannion on 26.06.2017, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Notoungulata - Archaeohyracidae	Pseudhyrax ? eutrachytheroides Pseudhyrax ? eutrachytheroides Ameghino 1901 notoungulate MPEF-PV 2568 and 2569
Notoungulata - Interatheriidae	"Eopachyrucos pliciferus" = Eopachyrucos pliciformis, Proargyrohyrax curanderensis "Eopachyrucos pliciferus" = Eopachyrucos pliciformis Simpson 1967 notoungulate MPEF-PV 2564 Proargyrohyrax curanderensis Hitz et al. 2000 notoungulate MPEF-PV 2565-2567
Notoungulata - Hegetotheriidae	Hegetotheriidae indet. Hegetotheriidae indet. notoungulate MPEF-PV 2570
Notoungulata - Isotemnidae	Isotemnidae indet. Isotemnidae indet. Ameghino 1897 notoungulate MPEF-PV 2562
Notoungulata - Leontiniidae	Leontinia ? gaudryi Leontinia ? gaudryi Ameghino 1894 notoungulate MPEF-PV 2559-2561
Notoungulata -	Teushentherium camaronensis n. gen. n. sp. Teushentherium camaronensis n. gen. n. sp. Martínez et al. 2020 notoungulate Holotype: MPEF-PV 2578, partial skull (palate and anterior snout) and mandible (horizontal rami) with almost complete dentition
Notoungulata - Notohippidae	Notohippidae indet., Rhynchippus pumilus Notohippidae indet. Ameghino 1894 notoungulate MPEF-PV 2554-2557 Rhynchippus pumilus Ameghino 1897 notoungulate MPEF-PV 2558
Panameriungulata - Proterotheriidae	Proterotheriidae indet. Proterotheriidae indet. Ameghino 1887 placental MPEF-PV 2571
Theriamorpha -	Pseudoglyptodon cf. chilensis Pseudoglyptodon cf. chilensis McKenna et al. 2006 edentate MPEF-PV 2553
Cingulata - Chlamyphoridae	Prozaedyus sp. Prozaedyus sp. Ameghino 1891 edentate MPEF-PV 2549
Cingulata - Glyptodontidae	Glyptatelinae indet. Glyptatelinae indet. Castellanos 1932 glyptodon MPEF-PV 2551
Cingulata - Peltephilidae	Peltephilus undulatus Peltephilus undulatus Ameghino 1897 edentate MPEF-PV 2550
Cingulata - Dasypodidae	Machlydotherium ater, Archaeutatus sp., Parutaetus cf. chilensis, Meteutatus percarinatus Machlydotherium ater Ameghino 1902 armadillo MPEF-PV 2552 Archaeutatus sp. Ameghino 1902 armadillo MPEF-PV 2547 Parutaetus cf. chilensis Carlini et al. 2009 armadillo MPEF-PV 2548 Meteutatus percarinatus Ameghino 1902 armadillo MPEF-PV 2546