Algarrobo del Águila: Huayquerian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Chinchillidae
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Lagostomus pretrichodactyla
(Rovereto 1914)
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Montalvo et al. 2023 | |||||||||
| GHUNLPam 9945 left mandible with broken i and p4-m1, GHUNLPam 9975 left mandible with p4-m3 | ||||||||||
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Mammalia
- Rodentia
- Dinomyidae
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Tetrastylus laevigatus
Ameghino 1886
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| GHUNLPam 9973, GHUNLPam 9974, GHUNLPam 27064 | ||||||||||
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Mammalia
- Notoungulata
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Hemihegetotherium sp.
Rovereto 1914
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Sostillo et al. 2021 | |||||||||
| GHUNLPam 9999 | ||||||||||
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Paedotherium minor
Cabrera 1937
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Sostillo et al. 2021 | |||||||||
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Mammalia
- Notoungulata
- Mesotheriidae
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Pseudotypotherium subinsigne
Rovereto 1914
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Sostillo et al. 2021 | |||||||||
| GHUNLPam 9941, GHUNLPam 9962, GHUNLPam 6564 right, GHUNLPam 6564 left | ||||||||||
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Typotheriopsis chasicoensis
Cabrera and Kraglievich 1931
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Sostillo et al. 2021 | |||||||||
| GHUNLPam 9938, GHUNLPam 9954, GHUNLPam 9961, GHUNLPam 9966, GHUNLPam 9972, GHUNLPam 19068, GHUNLPam 19069, GHUNLPam 21104 (juvenile) | ||||||||||
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Mammalia
- Notoungulata
- Toxodontidae
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Pisanodon nazari
Cabrera and Kraglievich 1931
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Sostillo et al. 2021 | |||||||||
| MLP 58-IX-3-40, MLP 58-IX-3-41 | ||||||||||
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Mammalia
- Cingulata
- Dasypodidae
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Chasicotatus ameghinoi
Scillato-Yané 1977
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Romano et al. 2023 | |||||||||
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Vetelia perforata
Scillato-Yané 1977
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Barasoain et al. 2021 | |||||||||
| GHUNLPa m-9184-19, GHUNLPa m-9184-4 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | La Pampa |
| Coordinates: | 36.4° South, 67.2° West (view map) | ||
| Paleocoordinates: | 36.6° South, 65.0° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Neogene |
| 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Huayquerian |
| Age range of interval: | 7.9 - 4.9 m.y. ago |
| Age estimate: | 7.960 to 7.283 Ma (graphic correlation) |
Stratigraphy
| Stratigraphy comments: Sostillo et al. 2021: Based on the Notoungulata fossil record, the faunal assemblage of this locality is considered early Huayquerian (late Miocene).
Romano et al. 2023: Biochronological methods were useful in ordering and estimating the age of the different faunas of the Cerro Azul Formation, ranging from ca. 8 to ca. 5.7 Ma. Some appear to be transitional between Chasicoan and “Huayquerian” faunas (Cerro La Bota, Cerro Patagua, and Algarrobo del Águila), and other three (Barrancas Coloradas, El Guanaco, and Caleufú) cover the latest Miocene, even some of them could have reached the earliest Pliocene. The Cerro Azul Formation localities cover the range between ca. 8 to ca. 5.7 Ma (late Tortonian–Messinian; Late Miocene; Fig. 3; Supplementary Online Information 1, Tab. S8). 7.597 Ma (7.283 -7.960 Ma) for Algarrobo del Águila. |
Lithology and environment
| Primary lithology: | not reported |
| Lithology description: In this locality,it is seen from the base to the top the increasingof sandstone layers and the decreaseof silty clayey ones; at the base, there is more development of paleosols, while in the upper sector loessic deposits prevail (Visconti et al., 2010). | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 230751 | ||
| Authorizer: | J. Carrillo | Enterer: | K. Pino |
| Modifier: | K. Pino | Research group: | vertebrate |
| Created: | 2023-07-17 06:04:09 | Last modified: | 2023-08-15 04:46:16 |
| Access level: | the public | Released: | 2023-07-17 06:04:09 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 85304. | R. Sostillo, M. C. Cardonatto, L. Kerber and C. I. Moltalvo. 2022. Taxonomic and ontogenetic diversity of Dinomyidae (Rodentia) from the late Miocene-early Pliocene of La Pampa province (Argentina) based on cranio-dental remains. Journal of South American Earth Sciences 114:103704 [J. Carrillo/K. Pino/P. Mannion] |
Secondary references:
| 85627 | D. Barasoain, L. R. González Ruiz, R. L. Tomassini, A. E. Zurita, V. H. Contreras and C. I. Montalvo. 2021. First phylogenetic analysis of the Miocene armadillo Vetelia reveals novel affinities with Tolypeutinae. Acta Palaeontologica Polonica 66(3):S31-S36 [J. Carrillo/K. Pino] | |
| 85601 | C. I. Montalvo, R. Sostillo, and L. L. Rasia. 2023. New light on the late Middle Miocene–Early Pliocene representatives of Lagostomus (Chinchillidae, Rodentia) from Cerro Azul Formation, Argentina. Journal of South American Earth Sciences 128(104481) [J. Carrillo/K. Pino] | |
| 85650 | C. O. Romano, R. Bonini, S. Hemming, M. Cenizo, U. F. J. Pardiñas and F. J. Prevosti. 2023. Advances in the understanding of Neogene mammalian fauna in the Pampean region (central Argentina) through revising “biozone” hypotheses based on new dates and biochronological analyses. Ameghiniana 60(5):465-491 [J. Carrillo/K. Pino] | |
| 84590 | R. Sostillo, C. I. Montalvo, E. Cerdeño, G. I. Schmidt, A. Folguera and M. C. Cardonatto. 2021. Updated knowledge on the Notoungulata (Mammalia) from the late Miocene Cerro Azul Formation, La Pampa Province, Argentina. Historical Biology An International Journal of Paleobiology 33(8):1247-1265 [J. Carrillo/K. Pino] |