Camino de los Colorados road, Quebrada Grande (Eocene of Argentina)

Also known as Los Cardones National Park

Where: Salta, Argentina (25.2° S, 66.0° W: paleocoordinates 27.7° S, 56.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Quebrada de los Colorados Formation (Payogastilla Group), Lutetian (47.8 - 41.3 Ma)

• Lower levels of the Quebrada de los Colorados Formation

• group of beds-level stratigraphic resolution

Environment/lithology: "floodplain"; sandy siltstone and sandy conglomerate

Size classes: macrofossils, mesofossils

Collection methods: surface (in situ), sieve,

• IBIGEO-P Instituto de Bio y Geociencias del Noroeste Argentino, Vertebrate Paleontology Collection

Primary reference: D. A. García-López, J. N. Gelfo, A. Scanferla, J. Babot, A. Ferro and L. S. Saade. 2020. The Pre-Oligocene Diversity of Hypsodont Typotherians (Mammalia, Notoungulata) in Northwestern Argentina. Ameghiniana 57(2):117-131 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211419: authorized by Philip Mannion, entered by Philip Mannion on 16.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Sparassodonta -
Patene simpsoni1
Patene simpsoni1 Paula Couto 1952 metatherian
IBIGEO-P 54
 Polydolopimorphia - Prepidolopidae
Coloradolops cardonensis n. gen. n. sp.1, Punadolops alonsoi1
Coloradolops cardonensis n. gen. n. sp.1 Chornogubsky et al. 2019 metatherian
IBIGEO-P 47 - type
Punadolops alonsoi1 Pascual 1983 metatherian
IBIGEO-P 51, 46
 Polydolopimorphia -
Argyrolagoidea indet.1
Argyrolagoidea indet.1 Ameghino 1904 metatherian
IBIGEO-P 48
 Panameriungulata - Didolodontidae
cf. Ernestokokenia sp.2
cf. Ernestokokenia sp.2 Ameghino 1901 placental
IBIGEO-P 65
 Placentalia -
Astrapotheria indet.2
Astrapotheria indet.2 Lydekker 1894 placental
IBIGEO-P 66
 Notoungulata - Oldfieldthomasiidae
Colbertia sp.2, Colbertia lumbrerense2, Colbertia falui n. sp.2
Colbertia sp.2 Paula Couto 1952 notoungulate
IBIGEO-P 58a,b
Colbertia lumbrerense2 Bond 1981 notoungulate
IBIGEO-P 45 and 56
Colbertia falui n. sp.2 Fernández et al. 2021 notoungulate
IBIGEO-P 67 - type; referred specimens: IBIGEO-P 55, 59, 61
 Notoungulata - Notostylopidae
Homalostylops sp.2, ? Homalostylops sp.2
Homalostylops sp.2 Ameghino 1901 notoungulate
IBIGEO-P 57b
? Homalostylops sp.2 Ameghino 1901 notoungulate
IBIGEO-P 57a
 Notoungulata - Archaeohyracidae
aff. Eohyrax sp., Pascualhyrax irqi n. gen. n. sp.3
aff. Eohyrax sp. Ameghino 1901 notoungulate
IBIGEO-P 86
Pascualhyrax irqi n. gen. n. sp.3 Ferro et al. 2023 notoungulate
IBIGEO-P 9, 87, 89
 Notoungulata - Notohippidae
Pampahippus secundus2
Pampahippus secundus2 Deraco and GarcÍa-López 2016 notoungulate
IBIGEO-P 62-64
1Chornogubsky et al. 2019; 2Fernández et al. 2021; 3Ferro et al. 2023