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.[1]

Etymology edit

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

Formations edit

Locations of Tinguirirican formations
Formation
bold is type
Country Basin Notes
Abanico Formation - Tinguiririca fauna   Chile Abanico Basin
Chota Formation   Peru Bagua Basin
Entre-Córregos Formation   Brazil Aiuruoca Basin
Gualanday Group   Colombia Central Colombian Ranges
Laguna Brava Formation   Argentina Precordillera
Loreto Formation   Chile Magallanes Basin
El Milagro Formation   Peru Bagua Basin
Otuma Formation   Peru Pisco Basin
Sarmiento Formation   Argentina Golfo San Jorge Basin
Seca Formation   Ecuador Progreso Basin
Soncco Formation   Peru Eastern Peruvian Andes

Fossils edit

Group Fossils Formation Notes
Mammals Andemys 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 jaureguii El Milagro
Colombitherium tolimense Gualanday
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
Birds Icadyptes salasi, Inkayacu paracasensis, Spheniscidae indet. Otuma
Gruipeda dominguensis (ichnofossil) Laguna
Brava
Reptiles Pterosphenus sheppardi Seca
Fishes Engraulis sp., Sardinops sp. Otuma
Insects Aiuruocatermes piovezanae, Cenomycetophila mineira Entre-Corrégos

Correlations edit

Tinguirirican correlations in South America
Formation Abanico Otuma El Milagro Seca Gualanday Entre-Córregos Sarmiento Map
Basin Abanico Pisco Bagua Progreso Central Ranges Aiuruoca Golfo San Jorge
Tinguirirican (South America)
Country   Chile   Peru   Ecuador   Colombia   Brazil   Argentina
Archaeotypotherium    
Barrancatatus    
Bryanpattersonia    
Klohnia    
Kramadolops    
Pseudhyrax    
Pseudoglyptodon    
Santiagorothia    
Pyrotheria        
Birds  
Reptiles  
Fish  
Insects  
Environments Alluvial Shallow marine Fluvial Open marine Alluvial-fluvial Lacustrine Fluvio-deltaic
  Tinguirirican volcanoclastics

  Tinguirirican fauna

  Tinguirirican insects
Volcanic Yes Yes

References edit

  1. ^ Paleo Database: Tinguirirican
  2. ^ Godoy et al., 2012
  3. ^ Muñoz et al., 2006
  4. ^ Chacaltana et al., 2015, p.2
  5. ^ Castro Medina, 2010, p.53
  6. ^ Gonçalves Pereira, 2015, p.124
  7. ^ Billet et al., 2010
  8. ^ Vizan et al., 2013
  9. ^ Otero et al., 2012
  10. ^ Castro Medina, 2010, p.56
  11. ^ De la Cruz, 2008, p.53
  12. ^ Solíz Mundaca, 2018, p.12
  13. ^ Dozo et al., 2014, p.241
  14. ^ Acosta & Tambussi, 2005, p.128
  15. ^ Lorenzo et al., 2018, p.34
  16. ^ Carlotto, 2016, p.522
  17. ^ Wyss et al., 2018
  18. ^ Bradham et al., 2015
  19. ^ Bertrand et al., 2012
  20. ^ Tinguiririca Locality Sets 1 & 2 at Fossilworks.org
  21. ^ Cachapoal at Fossilworks.org
  22. ^ ELM 4, 1.5 km northwest of Esperanza at Fossilworks.org
  23. ^ Billet et al., 2010, p.324
  24. ^ Paracas Bay at Fossilworks.org
  25. ^ Archaeocete Valley, Otuma, AV-10 at Fossilworks.org
  26. ^ La Cancha at Fossilworks.org
  27. ^ Barrancas Blancas at Fossilworks.org
  28. ^ Gran Barranca faunule 16 at Fossilworks.org
  29. ^ Gran Barranca faunule 17 at Fossilworks.org
  30. ^ Ullujaya Valley at Fossilworks.org
  31. ^ Bajada del Diablo at Fossilworks.org
  32. ^ a b Paracas Reserve at Fossilworks.org
  33. ^ Quebrada de Santa Domingo at Fossilworks.org
  34. ^ Ancon Pterosphenus sheppardi type locality at Fossilworks.org
  35. ^ Aiuruoca municipality at Fossilworks.org

Bibliography edit

General
Abanico Formation
Chota Formation
Entre-Córregos Formation
Gualanday Group
Laguna Brava Formation
  • Vizán, H.; S. Geuna; R. Melchor; E.S. Bellosi; S.L. Lagorio; C. Vásquez; M.S. Japas; G. Ré, and M. Do Campo. 2013. Geological setting and paleomagnetism of the Eocene red beds of Laguna Brava Formation (Quebrada Santo Domingo, northwestern Argentina). Tectonophysics 583. 105–123. .
Loreto Formation
El Milagro Formation
Otuma Formation
Sarmiento Formation
Seca Formation
Soncco Formation