Yegua Quemada (Miocene of Argentina)

Also known as Cañadón de la Yegua Quemada, Quequa-Quemada

Where: Santa Cruz, Argentina (50.3° S, 69.0° W: paleocoordinates 51.0° S, 63.4° W)

• coordinate stated in text

• local area-level geographic resolution

When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by C. Ameghino

Primary reference: S. F. Vizcaíno, R. F. Kay, and M. S. Bargo. 2012. Background for a paleoecological study of the Santa Cruz Formation (late Early Miocene) on the Atlantic Coast of Patagonia. In S. F. Vizcaí­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 1-22 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176566: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

 Falconiformes - Falconidae
Thegornis musculosus2 Ameghino 1894 raptor
BMNH-A 600, fragmentary right tarsometatarsus
 Cingulata - Dasypodidae
"Prozaedyus proximus" = Prozaedius proximus6
"Prozaedyus proximus" = Prozaedius proximus6 Ameghino 1887 armadillo
MACN-A 7806–1828, mandible, postcrania
 Sparassodonta -
"Sipalocyon gracilis" = Sipalocyon gracilis3, "Sipalocyon curtus n. sp." = Sipalocyon gracilis3
"Sipalocyon gracilis" = Sipalocyon gracilis3 Ameghino 1887 metatherian
MACN 9389, dentary p3-m2; MACN 9390, M1; MACN 9391, M3; MACN 9392, vertebra and tooth fragments; all one specimen
"Sipalocyon curtus n. sp." = Sipalocyon gracilis3 Ameghino 1887 metatherian
MACN 5962, caudal vertebra; MACN 5960, dentary p1-2; MACN 5961, tooth fragments; all one specimen
 Sparassodonta - Borhyaenidae
Borhyaena tuberata5 Ameghino 1887 metatherian
 Microbiotheria - Microbiotheriidae
Microbiotherium tehuelchum4 Ameghino 1887 marsupial
MACN 8472, dentary p1-2; 8479, dentary p1-m2; 8480, dentary p3-m4; 8503, dentary p1, m3
 Paucituberculata - Palaeothentidae
Palaeothentes intermedius1 Ameghino 1887 marsupial
Palaeothentes lemoinei1 Ameghino 1887 marsupial