Gran Barranca Upper Fossil Zone: Burdigalian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cingulata - Propalaehoplophoridae
Propalaehoplophorinae indet. (Ameghino 1891)
5 specimens
original and current combination Propalaehoplophoridae
MPEF-PV 7281, 7314B, 7350, 7521, 8120B, osteoderms
Mammalia - Cingulata
Peltephilus pumilus Ameghino 1887
1 specimen
MPEF-PV 8120C, fixed osteoderm
Mammalia - Cingulata - Chlamyphoridae
Stenotatus cf. centralis Ameghino 1902
Carlini et al. 2005
Stenotatus cf. patagonicus (Ameghino 1887)
3 specimens
MPEF-PV 7315B, 8121, 8122C, osteoderms
Proeutatus sp. Ameghino 1891
3 specimens
MPEF-PV 7314A, 7315A, 8122D, osteoderms
Proeutatus cf. oenophorus (Ameghino 1887)
Carlini et al. 2005
recombined as Proeutatus oenophorum
Prozaedyus sp. (Ameghino 1891)
3 specimens
MPEF-PV 7315C, 8119, 8122B, osteoderms
Prozaedyus cf. humilis Ameghino 1902
Carlini et al. 2005
Mammalia
Stegotherium variegatum Ameghino 1902
2 specimens
MPEF-PV 8118A, 8122F, osteoderms
Stegotherium tessellatum (Ameghino 1887)
3 specimens
original and current combination Stegotherium tesselatum
MPEF-PV 7315D, 8818B, 8122A, osteoderms
Mammalia - Mylodontidae
Nematherium sp. Ameghino 1887
1 specimen
MPEF-PV 7289, right mandibular fragment with p3-4
Mammalia
Megatherioidea indet. Gray 1821
Carlini et al. 2005
Mammalia - Notoungulata - Interatheriidae
Protypotherium sp. Ameghino 1882
1 specimen
MPEF-PV 7282, maxillary fragment with partial P3-M3
Interatherium sp. Ameghino 1887
5 specimens
MPEF-PV 7291, mandible m3; 7294, maxillary with two teeth; 7296, maxillary P4-M2; 8126; two upper and four lower cheek teeth; 8214, one upper and nine lower cheek teeth
Mammalia - Notoungulata
Pachyrukhos sp. Ameghino 1885
4 specimens
MPEF-PV 7299, mandible fragment with two cheek teeth; 7287, maxillary P3-M1; 8123; five upper and four lower cheek teeth; 8125, one upper and three lower cheek teeth
Mammalia - Panameriungulata - Proterotheriidae
Tetramerorhinus sp. Ameghino 1894
1 specimen
MPEF-PV 8128, incomplete M1 or M2
Mammalia - Rodentia - Echimyidae
Prostichomys bowni Kramarz 2001
4 specimens
MPEF-PV 7990, dp4; 7980, m1 or m2; 7976, m1 or m2; 7318a, DP4
Prostichomys cf. bowni Kramarz 2001
3 specimens
MPEF-PV 6066, M1 or M2; 7318c, M1 or M2; 7381d, M3
Mammalia - Rodentia
Acarechimys sp. Patterson 1965
1 specimen
MPEF-PV 6063, upper molar
Mammalia - Rodentia - Acaremyidae
Acaremys sp. Ameghino 1887
2 specimens
MPEF-PV 7989, p4; 7982a, m1 or m2
Mammalia - Rodentia
? Eosteiromys sp. Ameghino 1902
4 specimens
MPEF-PV 7981, M1 or M2; 6064a, incomplete p4; 6064d, incomplete m; 6064e, incomplete m3
Mammalia - Rodentia - Dinomyidae
Dinomyidae informal gen. et sp. nov.
3 specimens
MPEF-PV 6068a, m3; 6068b, M1 or M2; 7977, M3
Mammalia - Rodentia
Neoreomys pinturensis Kramarz 2006
1 specimen
MPEF-PV 7986, M1 or M2
Luantus propheticus Ameghino 1899
1 specimen
MPEF-PV 6062a, m1 or m2
Mammalia - Paucituberculata - Palaeothentidae
Palaeothentes ? minutus Ameghino 1887
1 specimen
MPEF-PV 4543, right m2
Titanothentes sp. Rae and Bown 1996
2 specimens
MPEF-PV 4541, M1; MPEF-PV 4544, maxillary with partial M1 and complete M2
Mammalia - Paucituberculata - Abderitidae
Abderites meridionalis Ameghino 1887
3 specimens
MPEF-PV 4104, m1; 4103, M2; 4105, partial M2
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 45.7° South, 68.7° West (view map)
Paleocoordinates:46.3° South, 63.0° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
Stage:Burdigalian 10 m.y. bin:Cenozoic 5
Key time interval:Burdigalian Mammal zone: Pinturan
Age range of interval:20.44000 - 15.98000 m.y. ago
Stratigraphy
Formation:Sarmiento Member:Colhue-Huapi
Stratigraphic resolution:bed
Stratigraphy comments: "Pinturan" SALMA, Early Miocene, ca. 18.7–19.7 Ma.
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:"Pinturan" level
Database number:176205
Authorizer:J. Zijlstra, P. Mannion Enterer:J. Zijlstra, G. Varnham
Modifier:M. Kouvari Research group:vertebrate
Created:2016-01-31 22:01:58 Last modified:2020-09-19 09:56:13
Access level:the public Released:2016-01-31 22:01:58
Creative Commons license:CC BY
Reference information

Primary reference:
57941. A. G. Kramarz, M. G. Vucetich, A. A. Carlini, M. R. Ciancio, M. A. Abello, C. M. Deschamps, and J. N. Gelfo. 2010. A new mammal fauna at the top of the Gran Barranca sequence and its biochronological significance. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 264-277 [J. Zijlstra/J. Zijlstra]

Secondary references:

73071 A. A. Carlini, M. Cancio, and G. J. Scillato-Yané. 2005. Los Xenarthra de Gran Barranca: Más de 20 Ma de historia. Actas del XVI Congreso Geológico Argentino. La Plata 2005 [P. Mannion/G. Varnham]
57869 A. A. Carlini, M. R. Ciancio, and G. J. Scillato-Yane. 2010. Middle Eocene-Early Miocene Dasypodidae (Xenarthra) of southern South America: biostratigraphy and palaeoecology. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 106-129 [J. Zijlstra/J. Zijlstra/P. Mannion]
57837 R. H. Madden, R. F. Kay, M. G. Vucetich and A. A. Carlini. 2010. Gran Barranca: a twenty-three million year record of Middle-Cenozoic faunal evolution in Patagonia. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 423-439 [J. Zijlstra/J. Zijlstra]