Mayoan

The Mayoan (Spanish: Mayoense) age is a period of geologic time from 11.8 to 10 Ma, within the Middle to Late Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Laventan and precedes the Chasicoan age.[1]

## Etymology

[edit]

The age is named after the Río Mayo Formation in the Golfo San Jorge Basin of Patagonia, Argentina.

## Formations

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Locations of Mayoan formations

Formation
bold is type | Country  | Basin  | Notes

|
|
|

Río Mayo Formation |  Argentina | Golfo San Jorge Basin |

[2]

Coquimbo Formation |  Chile | Tongoy Bay |

[3]

Gran Bajo del Gualicho Formation |  Argentina | Colorado Basin |

[4]

Huaylas Formation |  Chile | Parinacota Province |

[5]

Mauri Formation |  Bolivia | Altiplano Basin |

[6]

Navidad Formation |  Chile | Chilean Coast Range |

[7]

Paraná Formation |  Argentina | Paraná Basin |

[8]

Pebas Formation |  Brazil
Colombia
Ecuador
Peru | Amazon Basin |

[9][10]

Pisco Formation |  Peru | Pisco Basin |

[11]

Puerto Madryn Formation |  Argentina | Valdés Basin |

[12]

Urumaco Formation |  Venezuela | Falcón Basin |

[13]

Yecua Formation |  Bolivia | Paraná Basin |

[14]

## Fossil content

[edit]

Group  | Fossils  | Formation  | Notes

|
|
|

Mammals | Megathericulus patagonicus | Río Mayo |

[15]

Caraguatypotherium munozi, Epipeltephilus caraguensis | Huaylas |

[16][17]

Brujadelphis ankylorostris | Pisco |

[18]

Cardiatherium patagonicum, Kawas benegasorum, Notoziphius bruneti, Scirrotherium carinatum, Lagostomus (Lagostomopsis) sp., Dolichotinae indet., Macraucheniidae indet., Mylodontinae indet., Neuryurini indet., Palaehoplophorini indet. | Puerto
Madryn |

[19][20]
[21][22]

cf. Theosodon sp. | Yecua |

[23]

Birds | Kuntur cardenasi, Ramphastosula aguirrei, Sula brandi, S. figueroae | Pisco |

[24][25]

Madrynornis mirandus, Palaeospheniscus bergi, Accipitridae indet., Dendrocygninae indet., Psilopteridae indet. | Puerto
Madryn |

[19][20]
[26][27]

Reptiles | Mourasuchus sp., Pleurodira indet. | Yecua |

[28]

Fishes | Cosmopolitodus hastalis | Coquimbo |

[29]

Loricariidae indet., Percomorpha indet., Siluriformes indet. | Puerto
Madryn |

[19]

cf. Ariidae indet., Teleostei indet. | Yecua |

[28]

## References

[edit]

1. ^ Paleo Database: Mayoan
2. ^ Ecosteguy et al., 2003
3. ^ Le Roux et al., 2006, p.49
4. ^ Reichler, 2010, p.181
5. ^ García et al., 1999, p.251
6. ^ Marshall & Sempere, 1991, p.636
7. ^ Finger et al., 2007, p.13
8. ^ Martín Pérez, 2013, p.51
9. ^ Antoine et al., 2016, p.56
10. ^ Wesselingh et al., 2006, p.304
11. ^ Brand et al., 2011
12. ^ Acosta Hospitaleche et al., 2007, p.301
13. ^ Linares, 2004, p.16
14. ^ Hernández et al., 2002, p.5
15. ^ Arroyo Pedregoso at Fossilworks.org
16. ^ Montoya Sanhueza et al., 2017
17. ^ Caragua at Fossilworks.org
18. ^ Lambert et al., 2017
19. ^ a b c Rincón Chico at Fossilworks.org
20. ^ a b La Pastosa at Fossilworks.org
21. ^ Punta San Román at Fossilworks.org
22. ^ Playa El Doradillo at Fossilworks.org
23. ^ Yecua at Fossilworks.org
24. ^ Stucchi et al., 2015a
25. ^ Stucchi et al., 2015b
26. ^ Puerto Madryn Autodromo at Fossilworks.org
27. ^ Playa Villarino at Fossilworks.org
28. ^ a b La Angostura, Margin of Piraí River at Fossilworks.org
29. ^ Tongoy area Unit 4 at Fossilworks.org

### Bibliography

[edit]

Río Mayo Formation

* Ecosteguy, Leonardo; Dal Molín, Carlos; Franchi, Mario; Guena, Silvena; Lapido, Omar; Genini, Adolfo (2003), Hoja Geológica 4772-II Lago Buenos Aires, Instituto de Geología y Recursos Minerales, Servicio Geológico Minero Argentino, pp. 1–80, retrieved 2018-09-10

Coquimbo Formation

* Le Roux, J.P.; Olivares, Danisa M.; Nielsen, Sven N.; Smith, Norman D.; Middleton, Heather; Fenner, Juliane; Ishman, Scott E. (2006), "Bay sedimentation as controlled by regional crustal behaviour, local tectonics and eustatic sea-level changes: Coquimbo Formation (Miocene–Pliocene), Bay of Tongoy, central Chile" (PDF), Sedimentary Geology, 184 (1–2): 133–153, Bibcode:2006SedG..184..133L, doi:10.1016/j.sedgeo.2005.09.023, retrieved 2018-05-201–2&rft.pages=133-153&rft.date=2006&rft_id=info:doi/10.1016/j.sedgeo.2005.09.023&rft_id=info:bibcode/2006SedG..184..133L&rft.aulast=Le+Roux&rft.aufirst=J.P.&rft.au=Olivares,+Danisa+M.&rft.au=Nielsen,+Sven+N.&rft.au=Smith,+Norman+D.&rft.au=Middleton,+Heather&rft.au=Fenner,+Juliane&rft.au=Ishman,+Scott+E.&rft_id=http://repositorio.uchile.cl/bitstream/handle/2250/124905/LeRoux_JP.pdf?sequence=1&isAllowed;=y&rfr_id=info:sid/en.wikipedia.org:Mayoan" class="Z3988">

Gran Bajo del Gualicho Formation

* Reichler, Valeria A (2010), "Estratigrafía y paleontología del Cenozoico marino del Gran Bajo y Salinas del Gualicho, Argentina, y descripción de 17 especies nuevas" (PDF), Andean Geology, 31: 177–219, retrieved 2018-09-11

Huaylas Formation

* García, Marcelo; Herail, Gérard; Charrier, Reynaldo (1999), Age and structure of the Oxaya Anticline: A major feature of the Miocene compressive structures of northernmost Chile (PDF), Fourth ISAG conference, Goettingen, Germany, pp. 249–252, retrieved 2018-09-04
* Montoya Sanhueza, Germán; Moreno, Karen; Bobe, René; Carrano, Matthew T.; García, Marcelo; Corgne, Alexandre (2017), "Peltephilidae and Mesotheriidae (Mammalia) from late Miocene strata of Northern Chilean Andes, Caragua", Journal of South American Earth Sciences, 75: 51–65, Bibcode:2017JSAES..75...51M, doi:10.1016/j.jsames.2017.01.009, retrieved 2019-02-12

Mauri Formation

* Marshall, Larry G.; Sempere, Thierry (1991), "The Eocene to Pleistocene vertebrates of Bolivia and their stratigraphic context: A review", Revista técnica de YPFB, 12: 631–652, retrieved 2017-08-15

Navidad Formation

* Finger, Kenneth L.; Nielsen, Sven N.; DeVries, Thomas J.; Encinas, Alfonso; Peterson, Dawn E. (2007), "Paleontologic evidence for sedimentary displacement in Neogene forearc basins of central Chile" (PDF), PALAIOS, 22 (1): 3–16, Bibcode:2007Palai..22....3F, doi:10.2110/palo.2005.p05-081r, retrieved 2017-08-15

Paraná Formation

* Cione, Alberto Luis; Cabrera, Daniel Alfredo; Barla, María Julia (2012), "Oldest record of the Great White Shark (Lamnidae, Carcharodon; Miocene) in the Southern Atlantic" (PDF), Geobios, 45 (2): 167–172, Bibcode:2012Geobi..45..167C, doi:10.1016/j.geobios.2011.06.002, hdl:11336/139163, retrieved 2017-10-22
* Martín Pérez, Leandro (2013), Sistemática, tafonomía y paleoecología de los invertebrados de la Formación Paraná (Mioceno), Provincia de Entre Ríos, Argentina (PhD thesis) (PDF), Universidad Nacional de La Plata, pp. 1–398, retrieved 2017-08-15

Pebas Formation

* Antoine, Pierre-Olivier; Abello, M. Alejandra; Adnet, Sylvain; Altamirano Sierra, Ali J.; Baby, Patrice; Billet, Guillaume; Boivin, Myriam; Calderón, Ysabel; Candela, Jules Chabain, Fernando Corfu, Darin A. Croft, Morgan Ganerød, Carlos Jaramillo, Sebastian Klaus, Laurent Marivaux, Rosa E. Navarrete, Maëva J. Orliac, Francisco Parra, María Encarnación Pérez, François Pujos, Jean-Claude Rage, Anthony Ravel, Céline Robinet, Martin Roddaz, Julia Victoria Tejada Lara, Jorge Vélez Juarbe, Frank P. Wesselingh, Rodolfo Salas Gismondi, Adriana (2016), "A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru", Gondwana Research, 31: 30–59, Bibcode:2016GondR..31...30A, doi:10.1016/j.gr.2015.11.001, hdl:11336/99030, retrieved 2017-08-15`{{citation}}`: CS1 maint: multiple names: authors list (link)
* Wesselingh, F.P.; Hoorn, M.C.; Guerrero, J.; Räsänen, M.E.; Romero Pittmann, L.; Salo, J. (2006), "The stratigraphy and regional structure of Miocene deposits in western Amazonia (Peru, Colombia and Brazil), with implications for late Neogene landscape evolution", Scripta Geologica, 133: 291–322, retrieved 2017-08-15

Pisco Formation

* Altamirano Sierra, Alí J (2013), "Primer registro de pelicano (Aves: Pelecanidae) para el Mioceno tardio de la formacion Pisco, Peru" (PDF), Bulletin de l'Institut français d'études andines, 42: 1–12, retrieved 2017-09-04
* Báez Gómez, Diego A (2006), "Estudio paleoambiental de la formación Pisco:: Localidad Ocucaje" (PDF), Revista del Instituto de Investigaciones FIGMMG, 9: 64–69, retrieved 2017-09-04
* Bianucci, Giovanni; Di Celma, Claudio; Urbina, Mario; Lambert, Olivier (2016), "New beaked whales from the late Miocene of Peru and evidence for convergent evolution in stem and crown Ziphiidae (Cetacea, Odontoceti)" (PDF), PeerJ, 4: e2479, doi:10.7717/peerj.2479, PMC 5036081, PMID 27688973, retrieved 2019-02-12
* Brand, Leonard; Urbina, Mario; Chadwick, Arthur; DeVries, Thomas J.; Esperante, Raul (2011), "A high resolution stratigraphic framework for the remarkable fossil cetacean assemblage of the Miocene/Pliocene Pisco Formation, Peru", Journal of South American Earth Sciences, 31 (4): 414–425, Bibcode:2011JSAES..31..414B, doi:10.1016/j.jsames.2011.02.015
* Collareta, Alberto; Lambert, Olivier; De Muizon, Christian; Urbina, Mario; Bianucci, Giovanni (2017), "Koristocetus pescei gen. et sp. nov., a diminutive sperm whale (Cetacea: Odontoceti: Kogiidae) from the late Miocene of Peru", Fossil Record, 20 (2): 259–278, Bibcode:2017FossR..20..259C, doi:10.5194/fr-20-259-2017, hdl:11568/891486, retrieved 2019-02-12
* Lambert, Olivier; Bianucci, Giovanni; Urbina, Mario; Geisler, Jonathan H. (2017), "A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families", Zoological Journal of the Linnean Society, 179 (4): 919–946
* Marx, Felix G.; Lambert, Olivier; De Muizon, Christian (2017), "A new Miocene baleen whale from Peru deciphers the dawn of cetotheriids", Royal Society Open Science, 4 (9): 170560, Bibcode:2017RSOS....470560M, doi:10.1098/rsos.170560, PMC 5627101, PMID 28989761, retrieved 2019-02-12
* Marx, Felix G.; Kohno, Naoki (2016), "A new Miocene baleen whale from the Peruvian desert", Royal Society Open Science, 3 (10): 160542, Bibcode:2016RSOS....360542M, doi:10.1098/rsos.160542, PMC 5098998, PMID 27853573, retrieved 2019-02-12
* Poma Porras, Orlando; Horna Santillán, Edgard; Esperante, Raúl (2009), "Baleen Fósil (Cetacea: mysticeti) en Sedimentos de la Cuenca Marina del Neógeno en la Formación Pisco, al Sur del Perú" (PDF), Revista de Investigación Universitaria, 1: 84–97, retrieved 2017-09-04
* Ramassamy, Benjamin; Lambert, Olivier; Collareta, Alberto; Urbina, Mario; Bianucci, Giovanni (2018), "Description of the skeleton of the fossil beaked whale Messapicetus gregarius: searching potential proxies for deep-diving abilities" (PDF), Fossil Record, 21 (1): 11–32, Bibcode:2018FossR..21...11R, doi:10.5194/fr-21-11-2018, retrieved 2019-02-11
* Solís Mundaca, Flavio Alejandro (2018), Bioestratigrafía e implicancias paleoceanográficas de las diatomeas de la sección Cerro Caucato, Formación Pisco, Ica, Peru (MSc. thesis) (PDF), Universidad Peruana Cayetano Heredia, pp. 1–158, retrieved 2018-09-10
* Stucchi, Marcelo; Emslie, Steven D.; Varas Malca, Rafael M.; Urbina Schmitt, Mario (2015a), "A new late Miocene condor (Aves, Cathartidae) from Peru and the origin of South American condors", Journal of Vertebrate Paleontology, 35 (5): e972507, Bibcode:2015JVPal..35E2507S, doi:10.1080/02724634.2015.972507, retrieved 2019-02-13
* Stucchi, Marcelo; Varas Malca, Rafael M.; Urbina Schmitt, Mario (2015b), "New Miocene sulid birds from Peru and considerations on their Neogene fossil record in the Eastern Pacific Ocean" (PDF), Acta Palaeontologica Polonica, 61 (2): 417–427, retrieved 2019-02-13
* Stucchi, M (2007), "Los pingüinos de la Formación Pisco (Neógeno), Perú" (PDF), 4th European Meeting on the Palaeontology and Stratigraphy of Latin America, Cuadernos del Museo Geominero, 8: 367–373, retrieved 2017-09-04

Puerto Madryn Formation

* Acosta Hospitaleche, C.; Tambussi, C.; Donato, M.; Cozzuol, M. (2007), "A new Miocene penguin from Patagonia and its phylogenetic relationships" (PDF), Acta Palaeontologica Polonica, 52: 299–314, retrieved 2017-10-25
* Acosta Hospitaleche, Carolina (2003), "Paraptenodytes antarcticus (Aves: Sphenisciformes) en la Formación Puerto Madryn (Mioceno Tardío temprano), provincia de Chubut, Argentina [Paraptenodytes antarcticus (Aves: Sphenisciformes) in the Puerto Madryn Formation (early Late Mioceno), Chubut Province, Argentina]" (PDF), Española de Paleontología, 18: 179–183, retrieved 2018-09-11

Urumaco Formation

* Carrillo Briceño, Jorge D.; Maxwell, Erin; Aguilera, Órangel A.; Sánchez, Rodolfo; Sánchez Villagra, Marcelo R. (2015), "Sawfishes and Other Elasmobranch Assemblages from the Mio-Pliocene of the South Caribbean (Urumaco Sequence, Northwestern Venezuela)", PLoS ONE, 10 (10): e0139230, Bibcode:2015PLoSO..1039230C, doi:10.1371/journal.pone.0139230, PMC 4619466, PMID 26488163
* Linares, Omar J (2004), "Bioestratigrafía de la fauna de mamíferos de las formaciones Socorro, Urumaco y Codore (Mioceno Medio-Plioceno Temprano) de la región de Urumaco, Falcón, Venezuela" (PDF), Paleobiología Neotropical, 1: 1–26, retrieved 2017-08-15
* Quijano Ballesteros, Jhon Richard (2005), Estudio magnetoestratigráfico en la sección de El Mamón (miembro medio de la Formación Urumaco, Estado Falcón) (MSc. thesis) (PDF), Universidad Simón Bolívar, pp. 1–92, retrieved 2017-10-27
* Rincón, Ascanio D.; Solórzano, Andrés; McDonald, H. Gregory; Montellano Ballesteros, Marisol (2018), "Two new megalonychid sloths (Mammalia: Xenarthra) from the Urumaco Formation (late Miocene), and their phylogenetic affinities", Journal of Systematic Palaeontology, 17 (5): 409–421, doi:10.1080/14772019.2018.1427639, retrieved 2019-02-11
* Rincón, Ascanio D.; McDonald, H. Gregory; Solórzano, Andrés; Núñez Flores, Mónica; Ruiz Ramoni, Damián (2015), "A new enigmatic Late Miocene mylodontoid sloth from northern South America", Royal Society Open Science, 2 (2): 140256, Bibcode:2015RSOS....240256R, doi:10.1098/rsos.140256, PMC 4448802, PMID 26064594, retrieved 2019-02-13

Yecua Formation

* Hernández, R.; Jordan, T.; Dalenz Farjat, A.; Echavarría, L.; Idelman, B.; Reynolds, J. (2002), Edades, distribución, controles tectónicos y eustáticos de las ingresiones marinas paranense y caribeana en el sur de Bolivia y Argentina (PDF), V Congreso Latinoamericano de Paleontología, pp. 1–27, retrieved 2018-09-10

* v
* t
* e

South American land mammal ages

Ages|

* Lujanian
* Ensenadan
* Uquian
* Chapadmalalan
* Montehermosan
* Huayquerian
* Chasicoan
* Mayoan
* Laventan
* Colloncuran
* Friasian
* Santacrucian
* Colhuehuapian
* Deseadan
* Tinguirirican
* Divisaderan
* Mustersan
* Casamayoran
* Itaboraian
* Riochican
* Peligran
* Tiupampan

Defining
formations
and sites|

| Quaternary|

* Luján Formation
* Ensenada Formation
* Uquía Formation

|

Neogene|

* Chapadmalal Formation
* Monte Hermoso Formation
* Huayquerías Formation
* Arroyo Chasicó Formation
* Río Mayo Formation
* Honda Group
* La Venta fauna
* Collón Curá Formation
* Río Frías Formation
* Santa Cruz Formation
* Colhué Huapí Member

Paleogene|

* Deseado Formation
* Abanico Formation
* Tinguiririca fauna
* Divisadero Largo Formation
* Sarmiento Formation
* Lake Musters
* Casamayor Formation
* Itaboraí Formation
* Río Chico Group
* Salamanca Formation
* Punta Peligro
* Santa Lucía Formation
* Tiupampa fauna

Sources|

* Bibliography

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