Camacho Formation Explained

Camacho Formation
Type:	Geological formation
Period:	Huayquerian
Age:	Huayquerian ~

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]
• Neoglyptatelus uruguayensis^[8]
• Proeuphractus limpidus
• Pseudobrachytherium^[9]

Birds

• Giganhinga^[10]

Fish

• Carcharhinus egertoni
• Otodus megalodon

See also

• List of fossiliferous stratigraphic units in Uruguay

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

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayStrata&geological_group=&formation=Camacho&group_formation_member=Camacho Camacho Formation
2. Andrés Rinderknecht . Enrique Bostelmann T. . Martín Ubilla . 2011 . New genus of giant Dinomyidae (Rodentia: Hystricognathi: Caviomorpha) from the late Miocene of Uruguay . 10.1644/10-MAMM-A-099.1 . Journal of Mammalogy . 92 . 1 . 169–178 . free .
3. B.S.. Ferrero. G.I.. Schmidt. M.I.. Pérez-Garcia. D.. Perea. A.M.. Ribeiro. A new Toxodontidae (Mammalia, Notoungulata) from the Upper Pliocene-Lower Pleistocene of Uruguay. Journal of Vertebrate Paleontology. 10.1080/02724634.2021.2023167. 23 February 2022. 41 . 5 . 1–12.
4. Soibelzon . Leopoldo H. . Rinderknecht . Andrés . Tarquini . Juliana . Ugalde . Raúl . First record of fossil procyonid (Mammalia, Carnivora) from Uruguay . Journal of South American Earth Sciences . June 2019 . 92 . 368–373 . 10.1016/j.jsames.2019.03.024. 2019JSAES..92..368S . 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. 10.3989/egeol.41864.346. 1988-3250. free. 10261/127862. free.
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 . 10.1080/14772019.2017.1285360 . 2018JSPal..16..245R . 90400618 .
7. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=260158 Lestobradys
8. 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 . 10.5710/AMGH.02.12.2017.3150 . 11336/96801 . 133785414 . free .
9. 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. 10.1016/j.jsames.2020.102646. 2020JSAES.10202646C .
10. 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. 2022-05-05. 2022-05-09. https://web.archive.org/web/20220509200926/https://www.researchgate.net/profile/Jorge-Noriega-5/publication/287726682_A_new_genus_of_Anhingidae_Aves_Pelecaniformes_from_the_Pliocene-Pleistocene_of_Uruguay_San_Jose_Formation/links/56bb439008ae2d6f2013a219/A-new-genus-of-Anhingidae-Aves-Pelecaniformes-from-the-Pliocene-Pleistocene-of-Uruguay-San-Jose-Formation.pdf. live.