Santa Cruz: Santacrucian, Argentina
collected by C. Ameghino

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Mylodontidae
Nematherium sp. Ameghino 1887
Bargo et al. 2012
YPM-VPPU 18009, skull, mandible, postcrania
Mammalia - Sparassodonta
Marshall 1979 2 specimens
MLP 11-38, mandible; MACN 189, dentary with partial m4
Marshall 1981 8 specimens
MACN 665, dentary; MACN 85, maxillary P3-M1; MACN 86, maxillary M1-3; MLP 11-11, dentary; MLP 11-120, dentary m2; MLP 11-15, dentary m3; MLP 11-8, dentary m1-3
Hathliacynus cultridens n. sp. Mercerat 1891
Marshall 1981 1 specimen
MLP 11-9, dentary m4
Hathliacynus rollieri n. sp. Mercerat 1891
Marshall 1981 1 specimen
MLP 11-17, maxilla M1-2
Hathliacynus lustratus n. sp. Ameghino 1887
Marshall 1981 1 specimen
MLP 11-2, dentary p1-2
Amphithereutes obscurus n. sp. Ameghino 1935
Marshall 1981 1 specimen
MLP 11-10, mandible m1-4
Ameghino 1889 1 specimen
MACN 9, dentary m3-4
Mammalia - Paucituberculata - Palaeothentidae
Abello et al. 2012
Abello et al. 2012
Palaeothentes minutus Ameghino 1887
Abello et al. 2012
Mammalia - Microbiotheria - Microbiotheriidae
Marshall 1982 1 specimen
MACN 1, dentary p1-m1 ("tipo" of _Microbiotherium tehuelchum_)
see common names

Geography
Country:Argentina State/province:Santa Cruz
Coordinates: 50.9° South, 69.1° West (view map)
Paleocoordinates:50.2° South, 66.9° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:local area
Time
Period: Neogene Epoch: Miocene
Stage: Burdigalian 10 m.y. bin: Cenozoic 5
Key time interval: Santacrucian
Age range of interval: 17.5 - 16.3 m.y. ago
Stratigraphy
Formation:Santa Cruz
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Collectors:C. Ameghino
Metadata
Database number:176575
Authorizer:J. Zijlstra Enterer:J. Zijlstra
Modifier:J. Zijlstra Research group:vertebrate
Subset of collection #:27313
Created:2016-02-17 21:32:47 Last modified:2025-02-22 15:12:02
Access level:the public Released:2016-02-17 21:32:47
Creative Commons license:CC0
Reference information

Primary reference:
58167. 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]

Secondary references:

58179 M. A. Abello, E. Ortiz-Jaureguizar, and A. M. Candela. 2012. Paleoecology of the Paucituberculata and Microbiotheria (Mammalia, Marsupialia) from the late Early Miocene of Argentina. In S. F. Vizcaíno, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 156-172 [J. Zijlstra/J. Zijlstra]
15092 F. Ameghino. 1889. Contribución al conocimiento de los mamíferos fósiles de la República Argentina [Contribution to the knowledge of the fossil mammals of the Argentine Republic]. Actas de la Academia Nacional de Ciencias de la República Argentina en Córdoba 6:xxxii-1027 [M. Uhen/M. Uhen/M. Uhen]
58223 M. S. Bargo, N. Toledo, and S. F. Vizcaíno. 2012. Paleobiology of the Santacrucian sloths and anteaters (Xenarthra, Pilosa). In S. F. Vizcaíno, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 216-242 [J. Zijlstra/J. Zijlstra/J. Zijlstra]
57760 L. Marshall. 1982. Systematics of the South American marsupial family Microbiotheriidae. Fieldiana Geology 10:1-75 [J. Zijlstra/J. Zijlstra]
58324 L. G. Marshall. 1979. Review of the Prothylacyninae, an extinct subfamily of South American "dog-like" marsupials. Fieldiana Geology 3:1-50 [J. Zijlstra/J. Zijlstra]
58306 L. G. Marshall. 1981. Review of the Hathlyacyninae, an extinct subfamily of South American "dog-like" marsupials. Fieldiana Geology 7:1-120 [J. Zijlstra/J. Zijlstra]