Divisaderan

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The Divisaderan age is a South American land mammal age, covering a period of geologic time (42.0–36.0 Ma) within the Middle and Late Eocene epochs of the Paleogene. It follows the Mustersan age and is followed by the Tinguirirican age.[1]

Etymology

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The age is named after the Divisadero Largo Formation of Divisadero Largo, Mendoza, Argentina.

Formations

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class=notpageimage|
Locations of Divisaderan formations
Formation
bold is type 		Country Basin Notes
Divisadero Largo Formation File:Flag of Argentina.svg Argentina Cuyo Basin
[2]
Abanico Formation File:Flag of Chile.svg Chile Abanico Basin
[3][4]
Andesitas Huancache Formation File:Flag of Argentina.svg Argentina Golfo San Jorge Basin
[5]
Chota Formation File:Flag of Peru.svg Peru Bagua Basin
[6][7]
Guabirotuba Formation File:Flag of Brazil.svg Brazil Curitiba Basin
[8]
Leticia Formation File:Flag of Argentina.svg Argentina Austral Basin
[9]
Loreto Formation File:Flag of Chile.svg Chile Magallanes Basin
[10]
Paracas Group File:Flag of Peru.svg Peru Pisco Basin
[11]
Pozo Formation File:Flag of Peru.svg Peru Ucayali Basin
[12][13]
Sarmiento Formation File:Flag of Argentina.svg Argentina Golfo San Jorge Basin
[14][15]
Soncco Formation File:Flag of Peru.svg Peru Eastern Peruvian Andes
[16]
Yumaque Formation File:Flag of Peru.svg Peru Pisco Basin
[17]

Fossils

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Group Fossils Formation Notes
Mammals Acamana ambiguus, Adiantoides leali, Allalmeia atalaensis, Brachystephanus postremus, Groeberia minoprioi, G. pattersoni, Phoradiadius divortiensis, Xenostephanus chiottii, Trigonostylops sp., ?Notoungulata indet. Divisadero
Largo
[18]
Proeocoleophorus carlinii, Machlydotherium sp., Meteutatus sp., Nemolestes sp., Parutaetus sp., Utaetus sp., Argyrolagoidea indet., Astegotheriini indet., Astrapotheria indet., Euphractinae indet., Notopithecidae indet., Oldfieldthomasiidae indet., Palaeothentoidea indet. Guabirotuba
[19][20]
Ocucajea picklingi, Supayacetus muizoni, Basilosauridae indet. Paracas
[21][22]
[23]
Cachiyacuy contamanensis, C. kummeli, Canaanimys maquiensis, Eobranisamys javierpradoi, Eocoleophorus glyptodontoides, Pozomys ucayaliensis, Pseudostegotherium chubutanum, cf. Eoespina sp., cf. Griphodon sp., cf. Perulestes sp., Rumiodon sp., Sasawatsu sp., Stegosimpsonia sp., ?Trigonostylops sp., Wamradolops sp., Archaeohyracidae indet., Bonapartherioidea indet., Borhyaenidae indet., Chinchilloidea indet., Cingulata indet., Didelphimorphia indet., Interatheriinae indet., Litopterna indet., Microchiroptera indet., Molossidae indet., Phyllostomatidae indet., Polydolopimorphia indet., ?Sudamericidae indet., Toxodontia indet. Pozo
[24]
[25][26]
[27][28]
Pseudocladosictis determinabile, Patene coluapiensis, Angelocabrerus daptes, Arminiheringia auceta, Caroloameghinia mater, C. tenuis, Coona gaudryi, Rosendolops primigenium, Polydolops crassus, P. serra, P. thomasi, Amphidolops serrula, Eudolops tetragonus, Pseudolops princeps, Progarzonia notostylopense, Ideodelphys microscopicus, Tonostylops spissus, Thomashuxleya rostrata, Coelostylodon caroloameghinoi, C. florentinoameghinoi, Acoelohyrax complicatissimus, Isotemnus colhuehuapiensis, I. primitivus, Anisotemnus distentus, Pleurostylodon crassiramis, P. modicus, P. similis, Homalostylops parvus, Notostylops bicinctus, N. murinus, Isostylops fretus, Catastylops deflexus, Eohyrax isotemnoides, E. praerusticus, Archaeopithecus fossulatus, A. rogeri, Maxschlosseria consumata, Oldfieldthomasia debilitata, O. parvidens, O. transversa, Ultrapithecus rutilans, Paginula parca, Transpithecus obtentus, Antepithecus brachystephanus, A. innexus, Notopithecus adapinus, Henricosbornia ?lophodonta, Acoelodus proclivus, Proectocion argentinus, P. precisus, Didolodus magnus, D. minor, D. multicuspis, Paulogervaisia inusta, P. mamma, P. porca, Ernestokokenia nitida, Albertogaudrya unica, ?Trigonostylops duplex, T. wortmani, Parutaetus chicoensis, P. clusus, P. signatus, Meteutatus percarinatus, Pseudostegotherium chubutanum, Prostegotherium astrifer, P. notostylopianum, Utaetus buccatus, U. deustus, U. lenis, Machlydotherium sparsum, Rutimeyeria conulifera Guilielmofloweria plicata, Anisolambda fissidens, Proplanodus adnepos, Periphragnis exauctus, Mazzoniphractus ingens Sarmiento
[29][30]
[31][32]
Mystacodon selenensis Yumaque
[33][34]
Reptiles &
amphibians		 Cunampaia simplex, Ilchunaia parva, Barinasuchus sp. Divisadero
Largo
[18]
?Balanerodus sp., cf. Sebecus sp., Anilioidea indet., Anura indet., Booidea indet., Caimaninae indet., ?Chelidae indet., Gavialoidea indet., Pipidae indet., ?Platynota indet. Pozo
[25]
Eocaiman cavernensis, ?Boa sp., ?Madtsoia sp., Crocodylomorpha indet. Sarmiento
[29][35]
Birds Spheniscidae indet. Loreto
[36]
Fishes Ischyodus dolloi, Striatolamia macrota, Elasmobranchii indet. Loreto
[36]
Potamotrygon ucayalensis, ?Colossoma sp., cf. Leporinus sp., cf. Hydrolycus sp., Actinopterygii indet., Characiformes indet. Pozo
[25][26]
[27]
Flora Chara (Grambastichara) tornata, Nitellopsis (Tectochara) latispira Pozo
[37]

References

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  1. ^ Divisaderan at Fossilworks.org
  2. ^ Cerdeño & Guiomar, M2007, p.200
  3. ^ Godoy et al., 2012
  4. ^ Muñoz et al., 2006
  5. ^ Tejedor et al., 2009, p.6
  6. ^ Chacaltana et al., 2015, p.2
  7. ^ Castro Medina, 2010, p.53
  8. ^ Sedor et al., 2017, p.39
  9. ^ Clarke et al., 2003
  10. ^ Otero et al., 2012
  11. ^ Clarke et al., 2007, p.11545
  12. ^ Antoine et al., 2016, p.56
  13. ^ Castro Medina, 2010, p.54
  14. ^ Dozo et al., 2014, p.241
  15. ^ Acosta & Tambussi, 2005, p.128
  16. ^ Carlotto, 2016, p.522
  17. ^ Solíz Mundaca, 2018, p.11
  18. ^ a b Divisadero Hill at Fossilworks.org
  19. ^ Sedor et al., 2017
  20. ^ Guabirotuba fauna at Fossilworks.org
  21. ^ Archaeocete Valley at Fossilworks.org
  22. ^ Archaeocete Valley, Paracas, AV-17 at Fossilworks.org
  23. ^ Archaeocete Valley, Paracas, AV-19 at Fossilworks.org
  24. ^ Boivin et al., 2017
  25. ^ a b c CTA-27 at Fossilworks.org
  26. ^ a b CTA-29 at Fossilworks.org
  27. ^ a b CTA-51 at Fossilworks.org
  28. ^ CTA-66 at Fossilworks.org
  29. ^ a b Barranca south of Lago Colhue-Huapi, Gran Barranca at Fossilworks.org
  30. ^ El Nuevo at Fossilworks.org
  31. ^ Locality III, Tapera de López, Riconada de los López at Fossilworks.org
  32. ^ Gran Barranca faunule 12 at Fossilworks.org
  33. ^ Lambert et al., 2017
  34. ^ Playa Media Luna at Fossilworks.org
  35. ^ Eocaiman cavernensis holotype locality at Fossilworks.org
  36. ^ a b Río de las Minos at Fossilworks.org
  37. ^ CTA-73 at Fossilworks.org

Bibliography

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General
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Divisadero Largo Formation
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Abanico Formation
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Andesitas Huancache Formation
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Chota Formation
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Guabirotuba Formation
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Leticia Formation
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Loreto Formation
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Paracas Group
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Pozo Formation
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Sarmiento Formation
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). Archived 2021-01-22 at the Wayback Machine
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  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Soncco Formation
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Yumaque Formation
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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