Deseadan

The Deseadan (Spanish: Deseadense) age is a period of geologic time (29.0–21.0 Ma) within the Oligocene epoch of the Paleogene to the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification of South America. It follows the Tinguirirican and precedes the Colhuehuapian age.[1]

Etymology

The age is named after the Deseado Formation of the Deseado Massif in eastern Patagonia, Argentina.

Formations

Locations of Deseadan formations
Formation
bold is type
Country Basin Notes
Deseado Formation ArgentinaDeseado Massif
Abanico Formation ChileAbanico Basin
Agua de la Piedra Formation ArgentinaPrecordillera
Barzalosa Formation ColombiaUpper Magdalena Valley
Castillo Formation VenezuelaFalcón Basin
Chambira Formation PeruUcayali Basin
Chilcatay Formation PeruPisco Basin
Dos Bocas Formation EcuadorProgreso Basin
Fray Bentos Formation Argentina
 Uruguay
Paraná Basin
Monte León Formation ArgentinaAustral Basin
Moquegua Formation PeruMoquegua Basin
Mugrosa Formation ColombiaMiddle Magdalena Valley
Petaca Formation BoliviaSubandean Belt
"Puca Group" - Lacayani fauna BoliviaSubandean Belt
Río Baguales Formation ChileAysén Basin
Salla Formation BoliviaSalla-Luribay Basin
Sarmiento Formation ArgentinaGolfo San Jorge Basin
Tremembé Formation/São Paulo Formation BrazilTaubaté Basin

Fossils

Group Fossils Formation Notes
MammalsAncylocoelus frequens, A. minor, Archaeohyrax patagonicus, Archaeutatus malaspinensis, Argyrohyrax proavus, Asmodeus osborni, Australohyaena antiqua, Cephalomys arcidens, C. plexus, Chubutomys simpsoni, Deseadomys arambourgi, Liarthrus copei, Litodontomys chubutensis, Meteutatus aff. lagenaformis, Parastrapotherium holmbergi, Progaleopithecus tournoueri, Protosteiromys asmeodeophilus, P. medianus, Prozaedyus aff. impressus, cf. Sallacyon hoffstetteri, Scotamys antiquus, Stenotatus aff. ornatus, Trachytherus spegazzinianus, Astrapotherium sp., Coresodon sp., Deuterotherium sp., Hegetotherium sp., Homalodontotherium sp., Leontinia sp., Nesodon sp., Octodontotherium sp., Trimerostephanos sp., Palaeothentidae indet.Deseado
Archaeohyrax suniensis, Argyrohyrax proavus, Asmodeus petrasnerus, Fieratherium sorex, Gualta cuyana, Hegetotheriopsis sulcatus, Mendozahippus fierensis, Meteutatus aff. lagenaformis, Proborhyaena gigantea, Prohegetotherium malalhuense, P. schiaffinoi, P. cf. sculptum, Propachyrucos cf. smithwoodwardi, ?Prozaedyus aff. impressus, Pyrotherium romeroi, Stenotatus aff. ornatus, Trachytherus cf. spegazzinianus, cf. Archaeotypotherium sp., Pharsophorus sp., Proadinotherium sp., Progaleopithecus sp., cf. Prosotherium sp., Acaremyidae indet., Glyptodontidae indet., Interatheriidae indet., Litopterna indet., ?Megalonychidae indet., Notohippidae indet., Toxodontidae indet.Agua de la
Piedra
Lophiodolodus chaparralensis, Xenastrapotherium chaparralensis, Proadinotherium sp., Protheosodon sp., Astrapotheriidae indet.Barzalosa
Canaanimico amazonensis, Chambiramys shipiborum, C. sylvaticus, Deseadomys cf. arambourgi, Loretomys minutus, Palaeosteiromys amazonensis, Plesiosteiromys newelli, Maquiamys praecursor, Ucayalimys crassidens, Abderites sp., aff. Eosallamys sp., cf. Neoglyptatelus sp., Adelphomyinae indet., Anthropoidea indet., Astrapotheriidae indet., ?Caenolestidae indet., Caviomorpha indet., ?Chinchilloidea indet., Emballonuridae indet., ?Erethizontoidea indet., ?Herpetotheriidae indet., Interatheriinae indet, Litopterna indet., Marsupialia indet., Microbiotheria indet., Mylodontidae indet., Mylodontoidea indet., Notoungulata indet., Octodontoidea indet., ?Palaeothentidae indet., Pampatheriidae indet., ?Rhinolophoidea indet., Tolypeutinae indet., Toxodontidae indet., Typotheria indet., Vespertilionoidea indet.Chambira
Chilcacetus cavirhinus, Huaridelphis raimondii, Incacetus broggii, Macrosqualodelphis ukupachai, Notocetus vanbenedeni, cf. Kentriodon sp., Cetotheriidae indet., Eurhinodelphinidae indet., Mysticeti indet., Odontoceti indet., Pinnipedia indet., Physeteroidea indet., Squalodelphinidae indet.Chilcatay
Urkudelphis chawpipachaDos Bocas
Dasypodon atavus, Eopachyrucos ranchoverdensis, Fiandraia romeii, Palaeopeltis inornatus, Palmiramys waltheri, Proborhyaena cf. gigantea, Prohegetotherium schiaffinoi, Proterotherium berroi, Pseudohegetotherium palmirense, Scarrittia robusta, Trachytherus spegazzinianus, Urotherium interundatum, Uruguaytherium beaulieui, Argyrohyrax sp., Berthawyleria sp., Cephalomyopsis sp., Doellotatus sp., Eoviscaccia sp., Hegetotherium sp., Protypotherium sp., ?Scelidodon sp., ?Vassallia sp., Archaeohyracidae indet., Dasypodidae indet., Euphractini indet., Glyptatelinae indet., Interatheriinae indet., Leontiniidae indet., Machlydotherium indet., Trachytheriinae indet.Fray Bentos
Odontoceti indet., Phocidae indet.Gaiman
Diaphorocetus poucheti, Notocetus vanbenedeni, Prosqualodon australis, cf. Kentriodon sp.Monte León
?Rhynchippus sp.Petaca
Eoviscaccia boliviana, Trachytherus spegazzinianus, Cephalomyopsis sp., Glyptatelus sp., Prohegetotherium sp., Borhyaenidae indet., Dasypodidae indet., Macraucheniidae indet., Orophodontidae indet.Lacayani fauna
Anayatherium ekacoa, A. fortis, Andinogale sallensis, Antawallathentes illimani, A. quimsacruza, Archaeohyrax suniensis, Branisamys luribayensis, Branisella boliviana, Brucemacfaddenia boliviensis, Cephalomys bolivianus, ?Coniopternium primitivum, Eurygenium pacegnum, Evolestes hadrommatos, Federicoanaya sallaensis, Incamys bolivianus, Kuntinaru boliviensis, Luribayomys masticator, Migraveramus beatus, Notogale mitis, Palaeothentes boliviensis, Paraborhyaena boliviana, Paroctodontotherium calleorum, Pascualihippus boliviensis, Pharsophorus lacerans, Proargyrolagus bolivianus, Prohegetotherium schiaffinoi, Pseudoglyptodon sallaensis, Pyrotherium macfaddeni, cf. Pyrotherium romeroi, Ronwolffia pacifica, Rhynchippus cf. brasiliensis, Sallacyon hoffstetteri, Salladolodus deuterotherioides, Sallamys pascuali, Sallatherium altiplanense, Thadanius hoffstetteri, Trachytherus alloxus, Tricoelodus boliviensis, cf. Acamana sp., cf. Eocoleophorus sp., Glyptatelus sp., aff. Neoreomys sp., Peltephilus sp., Astrapotheriidae indet., Borhyaeninae indet., Dasypodidae indet., Dasyproctidae indet., Megalonychidae indet., Nesodontinae indet., Polydolopidae indet.Salla
Acarechimys leucotheae, Ancylocoelus frequens, Archaeohyrax patagonicus, Archaeophylus patrius, Archaeotypotherium propheticus, Archaeutatus malaspinensis, Argyrohyrax proavus, Asmodeus osborni, Asteromys punctus, Australohyaena antiqua, Bryanpattersonia sulcidens, Cephalomys arcidens, C. ceciae, C. plexus, Changquin woodi, Chubutomys navaensis, C. simpsoni, Clypeotherium magnum, Coresodon scalpridens, Cramauchenia normalis, Deseadomys arambourgi, Deuterotherium distichum, Draconomys verai, Elmerriggsia fieldia, Eomicrobiotherium matutinum, Eopachyrucos pliciformis, ?Eoviscaccia australis, Epiklohnia verticalis, Ethelomys loomisi, Eurygenium latirostris, Eutrachytherus grandis, Galileomys baios, Hegetotheriopsis sulcatus, Henricofilholia lustrata, H. vucetichia, Hondonadia parca, H. cf. pumila, Incamys bolivianus, I. menniorum, Kramadolops maximus, Leontinia gaudryi, Leucokephalos zeffiae, Liarthrus copei, Litodontomys chubutensis, Llitun notuca, Loncolicu tretos, Maddenia lapidaria, Medistylus dorsatus, Meteutatus lagenaformis, Notodiaphorus crassus, Notogale mitis, Palaeopeltis inornatus, Palaeothentes chubutensis, P. lucina, P. praecursor, Parabderites minusculus, Parastrapotherium holmbergi, Parutaetus ?chilensis, Patagonhippus canterensis, P. dukei, Pharsophorus lacerans, P. tenuis, Pilchenia intermedia, Platypittamys brachyodon, Proadiantus excavatus, P. gibbus, Proadinotherium leptognathus, Proborhyaena gigantea, Proeuphractus setiger, Progaleopithecus fissurellatus, P. tournoueri, Prohegetotherium sculptum, Propachyrucos ameghinorum, Prosotherium garzoni, P. triangulidens, ?Protacaremys adilos, Protarchaeohyrax minor, Protheosodon coniferus, Protosteiromys asmodeophilus, P. medianus, Prozaedius impressus, P. planus, Pseudhalmarhiphus guaraniticus, Pyrotherium sorondoi, Rhynchippus equinus, R. pumilus, Rosendolops cf. ebaios, Sadypus tortuosus, Santiagorothia chiliensis, Scarrittia barranquensis, S. canquelensis, Scotamys antiquus, ?Stenotatus aff. ornatus, Trachytherus spegazzinianus, Tricoelodus bicuspidatus, Vallehermosomys mazzonii, ?V. merlinae, Barrancatatus sp., Cephalomyopsis sp., Cochilius sp., Evolestes sp., Octodontotherium sp., Peltephilus sp., Prohegetotherium sp., Trachytherus sp., Caviomorpha indet., ?Chinchilloidea indet., ?Dasyproctidae indet., cf. Eobranisamys indet., Eocardiidae indet., Henricosborniidae indet., Interatheriinae indet., Isotemnidae indet., Macraucheniidae indet., Palaeothentidae indet., Pichipilidae indet., Propalaehoplophorinae indet., Rodentia indet., Stegotheriini indet., Toxodontia indet.Sarmiento
cf. Leontinia gaudryiSão Paulo
Moqueguahippus glycisma, Rhynchippus cf. pumilus, Sallamys quispea, Trachytherus ramirezi, T. cf. spegazzinianus, cf. Coniopternium sp., cf. Dasypodinae indet., Hegetotheriidae indet., Macraucheniidae indet., Proterotheriidae indet.Moquegua
BirdsCladornis pachypus, Cruschedula revolaDeseado
cf. Andrewsornis sp.Agua de la
Piedra
Palaeospheniscus sp.Chilcatay
Devincenzia gallinaliFray Bentos
Eretiscus tonnii, Palaeospheniscus patagonicus, Palaeospheniscus wimani, Paraptenodytes antarcticusGaiman
Arthrodytes andrewsi, Paraptenodytes brodkorbi, P. robustus, Pseudospheniscus concavusMonte León
Spheniscidae indet.Río
Baguales
Phorusrhacidae indet.Salla
Physornis sp.Sarmiento
Paraphysornis brasiliensis, Taubatornis campbelliTremembé
Phorusrhacidae indet.Moquegua
Reptiles &
amphibians
Balanerodus logimus, Gavialidae indet.Barzalosa
?Balanerodus sp., Podocnemis sp., cf. Purussaurus sp., cf. Sebecus sp., Anura indet., Booidea indet., Caimaninae indet., Colubroidea indet., Gavialoidea indet., Serpentes indet.Chambira
Testudines indet.Chilcatay
Testudinidae indet.Fray Bentos
Eusuchia indet., Sebecosuchia indet.Mugrosa
?Chelonoidis sp.Petaca
cf. Calyptocephalella sp., Testudines indet.Salla
Calyptocephalella canqueli, Neoprocoela edentatus, Eupsophus sp., ?Madtsoia sp., Iguaninae indet., Sebecidae indet.Sarmiento
Caiman tremembensisTremembé
Fishescf. Hydrolycus sp., Leporinus sp., cf. Phractocephalus sp., Potamotrygon sp., Actinopterygii indet., Cichlidae indet., ?Erythrinidae indet., Loricariidae indet., Pimelodidae indet.Chambira
Carcharhinus cf. brachurus, Carcharodon hastalis, Carcharodon subauriculatus, Hemipristis cf. serra, Isurus desoriChilcatay
Carcharodon hastalis, Carcharoides catticus, Echinorhinus pozzii, Galeocerdo aduncus, Lamna totuserrata, Megascyliorhinus trelewensis, Heterodontus sp., Labrodon sp., Sphyrna sp., Squatina sp., Molidae indet., Myliobatoidea indet.Gaiman
Isurus dolloi, Striatolamia macrota, Abdounia sp.Río
Baguales
Taubateia paraibaTremembé
Insects?Archaeodrapetiops elongata, A. mezzalirai, A. nefera, A. transversa, Archaeolycorea ferreirai, Eternia papaveroi, Indusia suguioi, Kleopathra nemogypsia, K. noctodiva, Microbasis longinota, Neorinella garciae, Parafitopteryx duarteae, Paratilgidopsis praecursora, Petisca dryellina, Philodarchia cigana, Psephenella ferreirai, ?Tabanus tremembeensis, Taubocicadellina breviptera, Taubarixa macrocelata, Tauborixella santosae, Tauborixiellopsis breviclavata, Taubatehymen minuta, Tremembaetalion minutum, Tremembecarabus rotundus, Tremembella gracilis, Tremembellina microcelata, Trulaxia primula, Curculioninae indet., Hydrophilidae indet.Tremembé

Correlations

The Deseadan South American land mammal age (SALMA) is equivalent to the Arikareean in the North American land mammal age (NALMA) and the Harrisonian in the 2000 version of the classification. It overlaps with the Hsandagolian of Asia and the MP 25 zone of Europe, the Waitakian and the Landon epoch of New Zealand.

Deseadan correlations in South America
FormationAguaRancahuéGuillermoDeseadoSarmientoSallaLacayaniFray BentosMoqueguaChambiraBarzalosaTremembéCascadasMap
BasinNeuquénAustralDeseadoSan JorgeSallaSubandeanNorteMoqueguaUcayaliVSMTaubatéPanama
Deseadan (South America)
Country Argentina Bolivia Uruguay Peru Colombia Brazil Panama
Archaeohyrax
Prohegetotherium
Pyrotherium
Pharsophorus
Trachytherus
Proadinotherium
Proborhyaena
Meteutatus
Andrewsornis
Terror birds
Rodents
Reptiles
Primates
Flora
Insects
EnvironmentsAlluvialFluvialFluvialAlluvialFluvial-alluvialFluvialFluvio-lacustrineAlluvial-fluvialLacustrineFluvial
Deseadan volcanoclastics

Deseadan fauna

Deseadan flora
VolcanicYesYesYesYesYesYes

References

  1. Paleo Database: Deseadan
  2. Agnolin, 2006, p.27
  3. Godoy et al., 2012
  4. Muñoz et al., 2006
  5. Combina & Nullo, 2011, p.201
  6. Acosta et al., 2002, p.49
  7. Johnson, 2009, p.60
  8. Castro Medina, 2010, p.55
  9. De la Cruz, 2008, p.53
  10. Solíz Mundaca, 2018, p.13
  11. Lorenzo et al., 2018, p.41
  12. Bond et al., 1998, p.42
  13. Tófalo & Morrás, 2009, p.680
  14. Náñez et al., 2009
  15. Pérez Panera, 2010, p.52
  16. Alván et al., 2017, p.56
  17. Gómez et al., 2008, p.48
  18. Marshall & Sempere, 1991, p.635
  19. Hernández et al., 2002, p.5
  20. Billet et al., 2008, p.153
  21. Le Roux et al., 2010, p.332
  22. Conoce Nuestra Biodiversidad - Salla
  23. Reguero & Cerdeño, 2005, p.674
  24. Dozo et al., 2014, p.241
  25. Acosta & Tambussi, 2005, p.128
  26. Do Couto Ribeiro, 2010, p.88
  27. Forasiepi et al., 2014
  28. La Flecha at Fossilworks.org
  29. Cerdeño & Reguero, 2015
  30. Seoane & Cerdeño, 2014
  31. Cerdeño & Vera, 2014
  32. Quebrada Fiera at Fossilworks.org
  33. Chaparral Alto José at Fossilworks.org
  34. Boivin et al., 2019
  35. Marivaux et al., 2016
  36. Boivin et al., 2016
  37. CTA-61 at Fossilworks.org
  38. CTA-32 at Fossilworks.org
  39. Bianucci et al., 2018
  40. Lambert et al., 2014
  41. Ullujaya at Fossilworks.org
  42. Ullujaya 2 at Fossilworks.org
  43. Santa Rosa at Fossilworks.org
  44. Zamaca at Fossilworks.org
  45. Tanaka et al., 2017, p.3
  46. Urkudelphis at Fossilworks.org
  47. Playa de la Agraciada at Fossilworks.org
  48. Arroyo Castillo at Fossilworks.org
  49. Río Corrientes at Fossilworks.org
  50. Arroyo María Grande at Fossilworks.org
  51. Arroyo Avalos at Fossilworks.org
  52. Paso del Cuello at Fossilworks.org
  53. Rancho Verde at Fossilworks.org
  54. Santa Lucía Basin at Fossilworks.org
  55. Palmirense at Fossilworks.org
  56. Gaimán at Fossilworks.org
  57. Playa Santa Isabel at Fossilworks.org
  58. Gran Bajo de San Julian at Fossilworks.org
  59. Bahía Nueva at Fossilworks.org
  60. Quebrada Saguayo at Fossilworks.org
  61. Lacayani Fauna at Fossilworks.org
  62. Shockey, 2017
  63. Rincón et al., 2015
  64. Salla Formation at Fossilworks.org
  65. Vucetich et al., 2015
  66. Vucetich et al., 2014
  67. Pérez et al., 2012
  68. Shockey et al., 2012
  69. La Cantera at Fossilworks.org
  70. Crater Lake Beds at Fossilworks.org
  71. Upper Beds at Fossilworks.org
  72. Higher Level at Fossilworks.org
  73. Cabeza Blanca at Fossilworks.org
  74. El Pajarito at Fossilworks.org
  75. Pico Truncado at Fossilworks.org
  76. Punta Nava at Fossilworks.org
  77. Unit 3 at Fossilworks.org
  78. Gran Barranca Deseadan at Fossilworks.org
  79. Padre Eterno at Fossilworks.org
  80. Shockey et al., 2016
  81. Moquegua at Fossilworks.org
  82. Cerro Pan de Azúcar at Fossilworks.org
  83. Cerro Mono at Fossilworks.org
  84. Gulf of San Jorge at Fossilworks.org
  85. Sierra Baguales at Fossilworks.org
  86. Santa Fé Farm at Fossilworks.org
  87. Bairro do Padre Eterno at Fossilworks.org
  88. Camp Waldo Locality, UCMP V-4620 at Fossilworks.org
  89. Cerro Buque M2 at Fossilworks.org
  90. Cerro Buque M8 at Fossilworks.org
  91. Southern cliffs at Fossilworks.org
  92. Tremembé shales at Fossilworks.org
  93. UnG collection at Fossilworks.org
  94. Cachoeira site, south of Vargem Grande do Sul at Fossilworks.org
  95. IG/USP collection at Fossilworks.org
  96. Near Taubaté at Fossilworks.org

Bibliography

General
Deseado Formation
Abanico Formation
Agua de la Piedra Formation
Barzalosa Formation
  • Acosta, Jorge E.; Rafael Guatame; Juan Carlos Caicedo A., and Jorge Ignacio Cárdenas. 2002. Mapa Geológico de Colombia - Plancha 245 - Girardot - 1:100,000 - Memoria Explicativa, 1–92. INGEOMINAS.
Castillo Formation
Chambira Formation
Chilcatay Formation
Dos Bocas Formation
Fray Bentos Formation
Gaiman Formation
Lacayani fauna
Monte León Formation
Moquegua Formation
Mugrosa Formation
  • Gómez, Luis Alfonso; Alejandro Patiño; Giancarlo Renzoni; Alejandro Beltrán; Claudia Quintero, and Martín Manrique. 2008. Geología de la Plancha 119 Barrancabermeja - 1:100,000, 1–105. INGEOMINAS.
Petaca Formation
Río Baguales Formation
Salla Formation
Sarmiento Formation
Tremembé Formation
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