The Tinguirirican (Spanish: Tinguiririquense) age is a period of geologic time (36.0–29.0 Ma) within the Late Eocene and Early Oligocene epochs of the Paleogene, used more specifically within the SALMA classification in South America. It follows the Divisaderan and precedes the Deseadan age.

Etymology

The age is named after the Tinguiririca fauna of the Abanico Formation in Chile.

Formations

Tinguirirican is located in South America
Locations of Tinguirirican formations
Formation bold is typeCountryBasinNotes
Abanico Formation - Tinguiririca faunaChileAbanico Basin
Chota FormationPeruBagua Basin
Entre-Córregos FormationBrazilAiuruoca Basin
Gualanday GroupColombiaCentral Colombian Ranges
Laguna Brava FormationArgentinaPrecordillera
Loreto FormationChileMagallanes Basin
El Milagro FormationPeruBagua Basin
Otuma FormationPeruPisco Basin
Sarmiento FormationArgentinaGolfo San Jorge Basin
Seca FormationEcuadorProgreso Basin
Soncco FormationPeruEastern Peruvian Andes

Fossils

GroupFossilsFormationNotes
MammalsAndemys frassinettii, A. termasi, Archaeotypotherium pattersoni, A. tinguiriricaense, Barrancatatus tinguiririquensis, Bryanpattersonia sulcidens, Chilestylops davidsoni, Eomorphippus bondi, E. neilopdykei, Eomorphippus cf. pascuali, Eoviscaccia frassinettii, Johnbell hatcheri, Klohnia charrieri, Kramadolops abanicoi, K. mckennai, Periphragnis vicentei, Pseudhyrax eutrachytheroides, P. strangulatus, Pseudoglyptodon chilensis, Santiagorothia chiliensis, Termastherium flacoensis, Trigonolophodon cf. elegans, Rhyphodon sp., Astrapotheria indet., ?Borhyaenidae indet., Indaleciinae indet., Notohippidae indet., Tardigrada indet.Abanico
Baguatherium jaureguiiEl Milagro
Colombitherium tolimenseGualanday
Cynthiacetus peruvianus, Basilosauridae indet.Otuma
Anisotemnus distentus, Archaeotypotherium propheticus, Barrancatatus maddeni, B. rigidus, Bryanpattersonia sulcidens, Canchadelphys cristata, Clenia brevis, Eomicrobiotherium matutinum, Eomorphippus obscurus, E. pascuali, Eopachyrucos pliciferus, E. pliciformis, Hondonadia praecipitia, H. pumila, Hondonadia cf. fierroensis, Klohnia major, Kramadolops fissuratus, Leontinia ?gaudryi, Machlydotherium ater, Meteutatus percarinatus, Parutaetus chilensis, Peltephilus undulatus, Periakros ambiguus, Pilchenia antiqua, Praedens aberrans, Proargyrohyrax curanderensis, Pseudhyrax ?eutrachytheroides, Pseudoglyptodon cf. chilensis, Rhynchippus pumilus, Rosendolops ebaios, Sadypus minutus, S. aff. confluens, Santiagorothia chiliensis, Archaeutatus sp., Guilielmoscottia sp., Microbiotherium sp., Pleurostylodon sp., Proargyrohyrax sp., Prozaedyus sp., Puelia sp., Glyptatelinae indet., Hathlyacininae indet., Hegetotheriidae indet., Isotemnidae indet., Notohippidae indet., ?Pichipilidae indet., Proterotheriidae indet., Sternbergiidae indet., Stegotheriini indet.Sarmiento
BirdsIcadyptes salasi, Inkayacu paracasensis, Spheniscidae indet.Otuma
Gruipeda dominguensis (ichnofossil)Laguna Brava
ReptilesPterosphenus sheppardiSeca
FishesEngraulis sp., Sardinops sp.Otuma
InsectsAiuruocatermes piovezanae, Cenomycetophila mineiraEntre-Corrégos

Correlations

Tinguirirican correlations in South America
FormationAbanicoOtumaEl MilagroSecaGualandayEntre-CórregosSarmientoMap
BasinAbanicoPiscoBaguaProgresoCentral RangesAiuruocaGolfo San JorgeEl Milagro FormationEntre-Córregos FormationGualanday GroupOtuma FormationSeca Formation, EcuadorSarmiento FormationAbanico FormationTinguirirican (South America)
CountryChilePeruEcuadorColombiaBrazilArgentina
Archaeotypotherium
Barrancatatus
Bryanpattersonia
Klohnia
Kramadolops
Pseudhyrax
Pseudoglyptodon
Santiagorothia
Pyrotheria
Birds
Reptiles
Fish
Insects
EnvironmentsAlluvialShallow marineFluvialOpen marineAlluvial-fluvialLacustrineFluvio-deltaicTinguirirican volcanoclastics Tinguirirican fauna Tinguirirican insects
VolcanicYesYes

Bibliography

General

Abanico Formation

  • Bertrand, Ornella C.; Flynn, John J.; Croft, Darin A.; Wyss, André R. (2012), , American Museum Novitates (3750): 1–36, doi:
  • Bradham, Jennifer; Flynn, John J.; Croft, Darin A.; Wyss, Andre R. (2015), , American Museum Novitates (3841): 1–24, doi:
  • Croft, Darin A.; Flynn, John J.; Wyss, André R. (2008), (PDF), Arquivos do Museu Nacional, Rio de Janeiro, 66: 191–211
  • Engelman, Russell K.; Flynn, John J.; Gans, Philip; Wyss, André R.; Croft, Darin A. (2018), , American Museum Novitates (3918): 1–22, doi:
  • Godoy, Estanislao (2012), , Revista de la Asociación Geológica Argentina, 69: 570–577
  • Muñoz, Marcia; Fuentes, Francisco; Vergara, Mario; Aguirre, Luis; Nyström, Jan Olov; Féraud, Gilbert; Demant, Alain (2006), , Revista Geológica de Chile, 33: 109–140, doi:, hdl:

Chota Formation

  • Chacaltana, César; Benites Cañote, Alexandra Lucytania; Valdivia, Waldir; Chumpitaz, Marco (2014), , Congreso Peruano de Geología, pp. 1–4

Entre-Córregos Formation

  • Pereira, Karoline Gonçalves (2015), (PDF), Universidade Guarulhos, pp. 1–139

Gualanday Group

  • Billet, Guillaume; Orliac, Maëva; Antoine, Pierre-Olivier; Jaramillo, Carlos (2010), (PDF), Palaeontology, 59 (2): 319–325, Bibcode:, doi:

Laguna Brava Formation

  • Vizán, H.; Geuna, S.; Melchor, R.; Bellosi, E.S.; Lagorio, S.L.; Vásquez, C.; Japas, M.S.; Ré, G.; Do Campo, M. (2013), "Geological setting and paleomagnetism of the Eocene red beds of Laguna Brava Formation (Quebrada Santo Domingo, northwestern Argentina)", Tectonophysics, 583: 105–123, Bibcode:, doi:, hdl:

Loreto Formation

  • Bostelmann, Enrique; Le Roux, Jacobus P.; Vasquez, Ana; Gutiérrez, Nestor; Oyarzún, José Luis; Carreño, Catalina; Torres, Teresa; Otero, Rodrigo; Llanos, C. Mark Fanning, Sven N. Nielsen and Francisco Hervé, Andrea (2012), (PDF), XIII Congeso Geológico Chileno, pp. 698–700, archived from (PDF) on 2018-11-03{{citation}}: CS1 maint: multiple names: authors list (link)
  • Otero, Rodrigo A.; Torres, Teresa; Le Roux, Jacobus P.; Hervé, Francisco; Fanning, C. Mark; Yuri Yáñez, Roberto E.; Rubilar Rogers, David (2012), (PDF), Andean Geology, 39: 180–200, doi:
  • Sallaberry, M.A.; Yury Yáñez, R.E.; Otero, R.A.; Soto Acuña, S.; Torres, T.G. (2010), (PDF), Journal of Paleontology, 84 (6): 1061–1070, Bibcode:, doi:
  • Torres, T.; Meón, H.; Otero, R.; Galleguillos, H. (2009), (PDF), XII Congreso Geológico Chileno, pp. 1–4

El Milagro Formation

  • Castro Medina, Walter Fidel (2010), (PDF), Instituto de Investigaciones de la Amazonía Peruana (IIAP), pp. 1–76
  • Salas, R.; Sánchez, J.; Chacaltana, C. (2006), (PDF), Journal of Vertebrate Paleontology, 26 (3): 760–769, doi:

Otuma Formation

  • De la Cruz, Aldo Alván (2008), (PDF), Revista del Instituto de Investigaciones FIGMMG, 11: 51–59
  • Solís Mundaca, Flavio Alejandro (2018), (PDF), Universidad Peruana Cayetano Heredia, pp. 1–158

Sarmiento Formation

Seca Formation

Soncco Formation

  • Carlotto, Víctor (2016), , XIII Congreso Peruano de Geología, pp. 521–524