Wikipedia

Chasicoan

The Chasicoan (Spanish: Chasiquense or Spanish: Chasicoense) age is a period of geologic time from 10–9 Ma within the Late Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Mayoan and precedes the Huayquerian age.[1]

Etymology

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The Chasicoan is named after the Arroyo Chasicó Formation of the Colorado Basin in northeastern Argentina.

Formations

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Locations of Chasicoan formations
Formation
bold is type 		Country Basin Notes
Arroyo Chasicó Formation   Argentina Colorado Basin
[2]
Bahía Inglesa Formation   Chile Caldera Basin
[3]
Caujarao Formation   Venezuela Falcón Basin
[4]
Cerro Azul Formation   Argentina Colorado Basin
[2][5][6]
Coquimbo Formation   Chile Tongoy Bay
[7]
Loma de Las Tapias Formation   Argentina Tulum Valley
[8]
Madre de Dios Formation   Peru Madre de Dios Basin
[9]
Mauri Formation   Bolivia Altiplano Basin
[10]
Navidad Formation   Chile Chilean Coast Range
[11]
Puerto Madryn Formation   Argentina Valdés Basin
[12]
Paraná Formation   Argentina Paraná Basin
[13]
Pebas Formation   Brazil
  Colombia
  Ecuador
  Peru		 Amazon Basin
[14][15]
Pisco Formation   Peru Pisco Basin
[16]
Urumaco Formation   Venezuela Falcón Basin
[17]

Fossil content

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Group Fossils Formation Notes
Mammals Cardiatherium chasicoense, Cardiomys leufuensis, Chasicobradys intermedius, Chasicostylus castroi, Chasicotatus ameghinoi, Epipeltephilus kanti, Lagostomus telenkechanum, Lycopsis viverensis, Paedotherium minor, Pisanodon nazari, Protomegalonyx chasicoensis, Pseudolycopsis cabrerai, Vetelia perforata, Kraglievichia sp., Orthomyctera sp., ?Parodimys sp., Proeuphractus sp., ?Tetrastylus sp., Typotheriopsis sp., Hegetotheriinae indet., Hoplophorini indet., Palaehoplophorini indet., Plohophorini indet., Proterotheriinae indet. Arroyo
Chasicó
[18][19]
[20]
[21][22]
[23][24]
Chasichimys bonaerense, Chasicotatus ameghinoi, Macrochorobates scalabrinii Cerro
Azul
[25]
Cardiatherium chasicoense, Contrerascynus borhyaenoides Loma de
las Tapias
[26]
[27][28]
Notiomastodon sp. Madre de
Dios
[29]
Bolivartherium urumaquensis, Bounodus enigmaticus, Ischyrorhynchus cf. vanbenedeni, Pseudoprepotherium urumaquensis, Urumaquia robusta, Gyrinodon sp., Neoepiblema sp., Potamarchus sp., Ribodon sp., Saurocetes sp. Urumaco
[30][31]
[32][33]
[34][35]
[36]
Birds Psilopterus colzecus Arroyo
Chasicó
[24]
Leptoptilos patagonicus Puerto Madryn
[37]
Reptiles &
amphibians		 Carlesia cf. pendolai, Anura indet., Testudines indet. Arroyo
Chasicó
[24]
Bairdemys venezuelensis, Caiman brevirostris, C. wannlangstoni, Charactosuchus mendesi, Globidentosuchus brachyrostris, Gryposuchus croizati, G. jessei, G. cf. pachakamue, Hesperogavialis cruxenti, Ikanogavialis gameroi, Melanosuchus fisheri, Mourasuchus arendsi, Purussaurus mirandai, Boinae indet. Urumaco
[30][35]
[36][38]
[39][40]
[41]
Fishes Megalodon, Hemipristis serra, Carcharhinus sp., Galeocerdo sp., Rhinoptera sp., Sphyrna sp. Caujarao
[42]
Ariidae indet., Carcharhinidae indet., Dasyatidae indet., Hemigaleidae indet., Heterodontidae indet., Lamnidae indet., Myliobatidae indet., Odontaspididae indet., Otodontidae indet., Physeteroidea indet., Rajidae indet., Sciaenidae indet., Sparidae indet., Sphyrnidae indet., Squatinidae indet. Paraná
[43]
Megalodon, Arius couma, A. dowii, A. herzbergii, A. kessleri, A. quadriscutis, A. rugispinis, Bagre marinus, Carcharhinus caquetius, Epinephelus itajara, Galeocerdo cuvier, Hemipristis serra, Larimus henrii, L. steurbautti, Micropogonias coatesi, Phractocephalus nassi, Pristis pectinata, Carcharhinus sp., Cynoscion sp., Dasyatis sp., Equetus sp., Haemulon sp., Nebris sp., Rhinoptera sp., Sphyrna sp. Urumaco
[44][30]

References

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  1. ^ Chasicoan at Fossilworks.org
  2. ^ a b Pérez, 2012, p.11
  3. ^ Le Roux et al., 2006, p.46
  4. ^ Quijano Ballesteros, 2005, p.19
  5. ^ Goin et al., 2000, p.101
  6. ^ Verzi et al., 2008, p.146
  7. ^ Le Roux et al., 2006, p.49
  8. ^ Deschamps et al., 2009, p.296
  9. ^ Romero et al., 1998, p.60
  10. ^ Marshall & Sempere, 1991, p.636
  11. ^ Finger et al., 2007, p.13
  12. ^ Noriega & Cladera, 2008, p.594
  13. ^ Martín Pérez, 2013, p.51
  14. ^ Antoine et al., 2016, p.56
  15. ^ Wesselingh et al., 2006, p.304
  16. ^ Brand et al., 2011
  17. ^ Linares, 2004, p.16
  18. ^ Pérez et al., 2018
  19. ^ Rasia & Candela, 2016
  20. ^ González Ruiz et al., 2012
  21. ^ Ribera del Arroyo Chasicó at Fossilworks.org
  22. ^ Barrancas del Arroyo Chasicó at Fossilworks.org
  23. ^ Las Barrancas at Fossilworks.org
  24. ^ a b c Arroyo Chasicó at Fossilworks.org
  25. ^ Cerro La Bota at Fossilworks.org
  26. ^ Mones, 2014
  27. ^ Quebrada Ullum at Fossilworks.org
  28. ^ Loma de Las Tapias Localidad Nº 4 at Fossilworks.org
  29. ^ Aurinsa at Fossilworks.org
  30. ^ a b c Urumaco Formation at Fossilworks.org
  31. ^ Urumaco, Biozona 2 Loc 01-FU at Fossilworks.org
  32. ^ Urumaco at Fossilworks.org
  33. ^ Urumaco, Biozona 2 Loc 46-FU at Fossilworks.org
  34. ^ Tío Gregorio - brown shales at Fossilworks.org
  35. ^ a b Tío Gregorio at Fossilworks.org
  36. ^ a b Northwest of San Rafael at Fossilworks.org
  37. ^ Punta Buenos Aires at Fossilworks.org
  38. ^ El Hatillo at Fossilworks.org
  39. ^ Corralito Locality at Fossilworks.org
  40. ^ Domo de Agua Blanca at Fossilworks.org
  41. ^ Cerro Jose la Paz site, El Picache at Fossilworks.org
  42. ^ Caujarao at Fossilworks.org
  43. ^ Cantera del Puerto Viejo at Fossilworks.org
  44. ^ Carrillo Briceño et al., 2015

Bibliography

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Arroyo Chasicó Formation
  • González Ruiz, Laureano R.; Scillato Yané, Gustavo J.; Krmpotic, Cecilia M.; Carlini, Alfredo A. (2012), "A new species of Peltephilidae (Mammalia: Xenarthra: Cingulata) from the late Miocene (Chasicoan SALMA) of Argentina" (PDF), Zootaxa, 3359: 55–64, retrieved 2019-02-15
  • Pérez, María Encarnación; Deschamps, Cecilia M.; Vucetich, María Guiomar (2018), "Diversity, phylogeny and biogeography of the South American 'cardiomyine' rodents (Hystricognathi, Cavioidea) with a description of two new species", Papers in Palaeontology, 4 (1): 1–19, Bibcode:2018PPal....4....1P, doi:10.1002/spp2.1095, hdl:11336/42361, retrieved 2019-02-12
  • Rasia, Luciano L.; Candela, Adriana M. (2016), "Lagostomus telenkechanum, sp. nov., a new lagostomine rodent (Caviomorpha, Chinchillidae) from the Arroyo Chasicó Formation (late Miocene; Buenos Aires Province, Argentina)", Journal of Vertebrate Paleontology, 37 (1): e1239205, doi:10.1080/02724634.2017.1239205, hdl:11336/72389, retrieved 2019-02-12
Bahía Inglesa Formation
Caujarao Formation
Cerro Azul Formation
Coquimbo Formation
Loma de Las Tapias Formation
Madre de Dios Formation
Mauri Formation
Navidad Formation
Palo Pintado Formation
Paraná Formation
Pebas Formation
Pisco Formation
Puerto Madryn Formation
Urumaco Formation
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