Camacho Formation

Camacho Formation
Stratigraphic range: Huayquerian ~9.0–6.8  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Location
Country	Uruguay

The Camacho Formation is a Huayquerian geologic formation in Uruguay. ^[1]

It also comprises the formerly named Kiyu Formation.

Fossil content

The following fossils have been reported from the formation:

Mammals

• Arazamys ^[2]
• Charruatoxodon ^[3]
• Cyonasua ^[4]
• Gomphotheridae indet. ^[5]
• Isostylomys laurillardi ^[6]
• Lestobradys sprechmanni ^[7]
• Neobrachytherium ullumense ^[8]
• Neoglyptatelus uruguayensis ^[9]
• Proeuphractus limpidus
• Pseudobrachytherium ^[10]

Birds

• Giganhinga ^[11]

Fish

• Carcharhinus egertoni
• Otodus megalodon

See also

• List of fossiliferous stratigraphic units in Uruguay

References

1. Camacho Formation at Fossilworks.org
2. Andrés Rinderknecht; Enrique Bostelmann T.; Martín Ubilla (2011). "New genus of giant Dinomyidae (Rodentia: Hystricognathi: Caviomorpha) from the late Miocene of Uruguay". Journal of Mammalogy. 92 (1): 169–178. doi: 10.1644/10-MAMM-A-099.1 .
3. Ferrero, B.S.; Schmidt, G.I.; Pérez-Garcia, M.I.; Perea, D.; Ribeiro, A.M. (23 February 2022). "A new Toxodontidae (Mammalia, Notoungulata) from the Upper Pliocene-Lower Pleistocene of Uruguay". Journal of Vertebrate Paleontology. 41 (5): 1–12. doi:10.1080/02724634.2021.2023167.
4. Soibelzon, Leopoldo H.; Rinderknecht, Andrés; Tarquini, Juliana; Ugalde, Raúl (June 2019). "First record of fossil procyonid (Mammalia, Carnivora) from Uruguay". Journal of South American Earth Sciences. 92: 368–373. Bibcode:2019JSAES..92..368S. doi:10.1016/j.jsames.2019.03.024. S2CID   135212698.
5. Perea, D.; Alberdi, M. T. (2015-12-30). "Los gonfotéridos (Mammalia, Proboscidea) de Uruguay: taxonomía, estratigrafía y cronología". Estudios Geológicos. 71 (2): e036. doi: 10.3989/egeol.41864.346 . hdl: 10261/127862 . ISSN   1988-3250.
6. Andrés Rinderknecht; Enrique Bostelmann; Martín Ubilla (2018). "Making a giant rodent: cranial anatomy and ontogenetic development in the genus Isostylomys (Mammalia, Hystricognathi, Dinomyidae)". Journal of Systematic Palaeontology. 16 (3): 245–261. Bibcode:2018JSPal..16..245R. doi:10.1080/14772019.2017.1285360. S2CID   90400618.
7. Lestobradys at Fossilworks.org
8. Badin, A. C.; Corona, A.; Schmidt, G. I.; Perea, D.; Ubilla, M. (2024). "New reports, updates, and additional comments about Neobrachytherium ullumense Soria, 2001 (Litopterna, Proterotheriidae) in the Late Miocene of Uruguay and Argentina". Journal of Mammalian Evolution. 31 (2). 23. doi:10.1007/s10914-024-09713-8.
9. Juan C. Fernicola; Andrés Rinderknecht; Washington Jones; Sergio F. Vizcaíno; Kleberson Propino (2018). "A new species of Neoglyptatelus (Mammalia, Xenarthra, Cingulata) from the late Miocene of Uruguay provides new insights on the evolution of the dorsal armor in cingulates". Ameghiniana. 55 (3): 233–252. doi:10.5710/AMGH.02.12.2017.3150. hdl: 11336/96801 . S2CID   133785414.
10. Corona, A.; Badín, A.C.; Perea, D.; Ubilla, M.; Schmidt, G.I. (2020). "A new genus and species and additional reports of the South American native ungulates Proterotheriidae (Mammalia, Litopterna) in the Late Miocene of Uruguay". Journal of South American Earth Sciences. 102: 102646. Bibcode:2020JSAES.10202646C. doi:10.1016/j.jsames.2020.102646.
11. Rinderknecht, A.; Noriega, J.I. (2002). "Un nuevo género de Anhingidae (Aves: Pelecaniformes) del Plioceno–Pleistoceno del Uruguay (Formación San José)". Ameghiniana. 39 (2): 183–191. Archived (PDF) from the original on 2022-05-09. Retrieved 2022-05-05.

Bibliography

• D. Perea and M. Ubilla. 1990. Los selacios (Chondrichthyes) de la Fm. Camacho (Mioceno sup., Uruguay). Revista de la Soco Uruguaya de Geología 2(4):5-13
• A. Rinderknecht, D. Perea, and H.G. McDonald. 2007. A New Mylodontinae (Mammalia, Xenarthra) from the Camacho Formation (Late Miocene), Uruguay. Journal of Vertebrate Paleontology 27(3):744-747
• Fernicola, Juan C.; Rinderknecht, Andrés; Jones, Washington; Vizcaíno, Sergio F.; Propino, Kleberson (2018), "A new species of Neoglyptatelus (Mammalia, Xenarthra, Cingulata) from the late Miocene of Uruguay provides new insights on the evolution of the dorsal armor in cingulates", Ameghiniana , 55 (3): 233–252, doi:10.5710/AMGH.02.12.2017.3150, hdl: 11336/96801 , retrieved 2018-10-01
• Rinderknecht, Andrés (2011), Estudio sobre los roedores gigantes del Uruguay, Departamento de San José (Mioceno tardío-Pliocene) y sus implicancias para la sistemática y taxonomía de la familia Dinomyidae (Mammalia, Rodentia) (PDF), Universidad de la República, pp. 1–101, retrieved 2018-10-01
• Verde, Mariano (2002), Icnología de la formación Camacho (Mioceno tardío) del Uruguay (MSc. thesis) (PDF), Universidad de la República, pp. 1–125, retrieved 2017-08-15