Colhué Huapí Norte: Bartonian, Argentina
collected by C. Ameghino 1900
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Panameriungulata
- Didolodontidae
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Euprotogonia patagonica n. sp.
Ameghino 1901
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Simpson 1948 | 1 specimen | ||||||||
recombined as Ernestokokenia patagonica | ||||||||||
MACN 10687, upper molar, perhaps M2 | ||||||||||
Euprotogonia trigonalis n. sp.
Ameghino 1901
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Simpson 1948 | 1 specimen | ||||||||
synonym of Ernestokokenia patagonica | ||||||||||
MACN 10688, M1 or M2 | ||||||||||
Mammalia
- Notoungulata
- Notostylopidae
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Eostylops diversidens n. sp.
Ameghino 1901
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Simpson 1948 | 1 specimen | ||||||||
nomen vanum belonging to Notostylops | ||||||||||
MACN 10484, "Various much broken jaw fragments with parts of upper and lower teeth, probably deciduous molars." | ||||||||||
Notostylops murinus
Ameghino 1897
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Notostylops ampullaceus n. sp.
Ameghino 1902
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Simpson 1948 | 1 specimen | ||||||||
synonym of Notostylops murinus | ||||||||||
MACN 10506, cranium and left lower jaw with p3-m3, right m3, distal end of right humerus | ||||||||||
Homalostylops interlissus n. sp.
Ameghino 1901
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Simpson 1948 | 1 specimen | ||||||||
nomen vanum belonging to Notostylopidae | ||||||||||
MACN 10488, fragmentary edentulous symphyses | ||||||||||
Mammalia
- Notoungulata
- Isotemnidae
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Pleurostylodon modicus
Ameghino 1897
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Simpson 1967 | |||||||||
some referred material of _Pleurostylodon plexus_ | ||||||||||
Anisolambda latidens n. sp.
Ameghino 1901
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Simpson 1967 | 2 specimens | ||||||||
recombined as Isotemnus latidens | ||||||||||
MACN 10667, dentary m1-2 (type), dentary m2-3 | ||||||||||
Thomashuxleya rostrata
Ameghino 1901
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Simpson 1967 | 2 specimens | ||||||||
MACN 10539, dentary P4-M3; some of MACN 10541, isolated teeth | ||||||||||
Mammalia
- Notoungulata
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Notopithecus adapinus
Ameghino 1897
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Infrapithecus diversus n. sp.
Ameghino 1902
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Simpson 1967 | 1 specimen | ||||||||
synonym of Notopithecus adapinus | ||||||||||
MACN 10838, dentary p2-4 | ||||||||||
Adpithecus secans
Ameghino 1901
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Simpson 1967 | 1 specimen | ||||||||
synonym of Notopithecus adapinus | ||||||||||
One referred specimen in Ameghino Collection | ||||||||||
Mammalia
- Notoungulata
- Oldfieldthomasiidae
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Oldfieldthomasia anfractuosa n. sp.
Ameghino 1901
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Simpson 1967 | 3 specimens | ||||||||
MACN 10746, maxilla with dP3-M2 (lectotype or type), right maxilla P2-3, right dentary m1-3 | ||||||||||
Mammalia
- Astrapotheria
- Trigonostylopidae
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Albertogaudrya sp.
Ameghino 1901
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Simpson 1967 | 1 specimen | ||||||||
MACN 12002, dentary p3-m1 | ||||||||||
Albertogaudrya unica
Ameghino 1901
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Albertogaudrya regia n. sp.
Ameghino 1902
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Simpson 1967 | 4 specimens | ||||||||
synonym of Albertogaudrya unica | ||||||||||
MACN 12014, broken m3 (lectotype), ?p1, ?p2, partial upper molar | ||||||||||
Trigonostylops wortmani
Ameghino 1897
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Trigonostylops integer n. sp.
Ameghino 1901
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Simpson 1967 | 1 specimen | ||||||||
synonym of Trigonostylops wortmani | ||||||||||
MACN 10643, upper molar, lectotype; another upper molar and associated P2-3. Said by Simpson (1967b:75, ref. 57943) to be from C.H. = Gran Barranca, but Simpson (1967a:224, ref. 10312) lists the type locality as "North of Colhué-Huapi". | ||||||||||
Mammalia
- Sparassodonta
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Arminiheringia auceta n. sp.
Ameghino 1902
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Simpson 1967 | 2 specimens | ||||||||
Syntypes: MACN 10972, facial part of skull with C, crowns of left P3 and M2-3 and right P1-M4; MACN 10970, mandible with crowns of left c, p1-3, m2-4, right c, p1, p3-4. Both specimens may represent the same individual. | ||||||||||
Nemolestes spalacotherinus n. gen., n. sp.
Ameghino 1902
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Simpson 1948 | 1 specimen | ||||||||
MACN 10330, "tip of canine and two broken lower molars, not associated and of somewhat different character" | ||||||||||
Procladosictis erecta n. sp.
Ameghino 1902
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Simpson 1948 | 1 specimen | ||||||||
nomen vanum belonging to Procladosictis | ||||||||||
MACN 10328, lower premolar, holotype | ||||||||||
see common names |
Geography
Country: | Argentina | State/province: | Chubut |
Coordinates: | 45.1° South, 69.0° West (view map) | ||
Paleocoordinates: | 47.5° South, 59.7° West | ||
Basis of coordinate: | based on political unit | ||
Geographic resolution: | local area |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
Key time interval: | Bartonian | Zone: | Barrancan |
Age range of interval: | 41.20000 - 37.71000 m.y. ago |
Stratigraphy
Stratigraphy comments: Barrancan SALMA, late Lutetian–Bartonian (~42-38 Ma) according to Woodburne et al. (2014) |
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: | taxonomic analysis | ||
Collectors: | C. Ameghino | Collection dates: | c. 1900 |
Metadata
Database number: | 176163 | ||
Authorizer: | J. Zijlstra | Enterer: | J. Zijlstra |
Modifier: | M. Kouvari | Research group: | vertebrate |
Created: | 2016-01-30 17:15:55 | Last modified: | 2020-09-22 03:15:21 |
Access level: | the public | Released: | 2016-01-30 17:15:55 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
57836. | R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra] |
Secondary references:
10369 | G. G. Simpson. 1948. The beginning of the age of mammals in South America. Part I. Bulletin of the American Museum of Natural History 91:1-232 [D. Croft/D. Croft/R. Butler] | |
10312 | G. G. Simpson. 1967. The beginning of the age of mammals in South America. Part II. Bulletin of the American Museum of Natural History 137:1-260 [D. Croft/D. Croft/K. Pino] | |
57943 | G. G. Simpson. 1967. The Ameghinos' localities for early Cenozoic mammals in Patagonia. Bulletin of the Museum of Comparative Zoology 136:63-76 [J. Zijlstra/J. Zijlstra] |