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Casamayoran

Period of geologic time in the Paleogene

Period of geologic time in the Paleogene

The Casamayoran () age is a period of geologic time (50.0–48.0 Ma) within the Early Eocene epoch of the Paleogene, used more specifically within the South American land mammal age (SALMA) classification. It follows the Itaboraian and precedes the Mustersan age.

Several astrapotherian mammals are known from this period, such as Antarctodon and Albertogaudrya from Antarctica and Argentina, respectively. Albertogaudrya and Scaglia were the size of a sheep or a small tapir, hence among the larger mammals in South America at this time.

Etymology

This age is named after the Casamayor Formation of the Golfo San Jorge Basin.

Formations

Formation
bold is typeCountryBasinNotes
**Casamayor Formation**Golfo San Jorge Basin
Abanico FormationAbanico Basin
Bogotá FormationAltiplano Cundiboyacense
Cayara FormationCochabamba Department
Chota FormationBagua Basin
Los Cuervos FormationCesar-Ranchería Basin
Fonseca FormationFonseca Basin
Huitrera FormationNeuquén Basin
Laguna del Hunco FormationCañadón Asfalto Basin
Lumbrera FormationSalta Basin
Maíz Gordo FormationSalta Basin
Quebrada de los Colorados FormationSalta Basin
Sarmiento FormationGolfo San Jorge Basin

Fossils

GroupFossilsFormationNotes
Mammals*Florentinoameghinia mystica*, *Notopithecus adapinus*, *Notostylops murinus*, *Thomashuxleya sp.*, *Trigonostylops sp.*, *cf. Pleurostylodon sp.*Casamayor
*Antepithecus brachystephanus*Abanico
*cf. Camargomendesia indet.*Cayara
*Bonapartherium hinakusijum*, *Boreastylops lumbrerensis*, *Callistoe vincei*, *Campanorco inauguralis*, *Colbertia lumbrerense*, *Coquenia bondi*, *Dolichostylodon saltensis*, *Griphotherion peiranoi*, *Indalecia grandensis*, *Lumbreratherium oblitum*, *Pampahippus arenalesi*, *P. secundus*, *Pampatemnus deuteros*, *P. infernalis*, *Patene simpsoni*, *Prepidolops didelphoides*, *P. molinai*, *?Albertogaudrya carahuasensis*, *Borhyaenoidea sp.*Lumbrera
*Coloradolops cardonensis*, *Pampahippus powelli*, *Prostegotherium sp.*, *cf. Utaetus sp.*, Dasypodidae indet., Leontiniidae indet., Toxodontia indet.Quebrada de
los Colorados{{center
*Acropithecus rigidus*, *Adiantoides magnus*, *Amphidolops serrula*,*Anisolambda amel*, *A. fissidens*, *Asmithwoodwardia subtrigona*, *Coona gutierrezi*, *C. pattersoni*, *Didolodus minor*, *Edvardotrouessartia sola*, *Florentinoameghinia mystica*, *Henricosbornia lophodonta*, *Ideodelphys microscopicus*, *Isotemnus primitivus*, *Josepholeidya adunca*, *Maxschlosseria consumata*, *M. minuta*, *Notopithecus adapinus*, *Notostylops appressus*, *N. pendens*, *Pleurostylodon similis*, *Polydolops serra*, *P. thomasi*, *Ricardolydekkeria cf. praerupta*, *Scaglia kraglievichorum*, *Sparnotheriodon epsilonoides*, *Thomashuxleya externa*, *Transpithecus obtentus*, *Trigonostylops ?wortmani*, *Homalostylops sp.*, *Patene sp.*, Albertogaudrya indet., Didolodontidae indet., Prostegotherium indet., Victorlemoinea indet.Sarmiento
Birds*Telmabates antiquus*, *T. howardae*Sarmiento
Reptiles &
amphibiansLoricata indet.Cayara
Pelomedusoides indet.Los Cuervos
*Llankibatrachus truebae*Huitrera
*Shelania pascuali*Laguna
del Hunco
*Ayllusuchus fernandezi*, *Lumbrerasaurus scagliai*, *Sebecus sp.*, Sebecosuchia indet.Lumbrera
Crocodylia indet., Testudinata indet.Quebrada de
los Colorados
*Chubutophis grandis*, *Gaffneylania auricularis*, *Niolamia argentina*, *Sebecus icaeorhinus*, *Waincophis australis*Sarmiento
FishesErythrinidae indet., Serrasalmidae indet., Siluriformes indet.Cayara
*cf. Carcharodon auriculatus*, *Carcharodon sp.*Casamayor
*Bachmannia chubutensis*Laguna
del Hunco
*Gymnogeophagus eocenicus*, *Lepidosiren paradoxa*, *Proterocara argentina*Lumbrera
Insects*Duartia pulchella*, *Fonsecablatta patricioi*, *Fonsecacarabus placidus*, *Fonsecacicada mineira*, *Fonsecadalia perfectus*, *F. propinquus*, *Fonsecahymen stigmata*, *Spargotermes costalimai*, Auchenorrhyncha indet., Curculionidae indet.Fonseca
*Catogenus punctatus*, *Inacayalestes aikunhuapi*Huitrera
Molluscs*Gibbula dalli*, *Jorgechlamys centralis*, *Ostrea ingens*, *Pecten proximus*, *Scalaria rugulosa*, *Turritella breantania*Casamayor
Brachiopods*Magellania lenticularis*, *Plicirhynchia plicigera*, *Tegulorhynchia squamosa*, *Terebratella dorsata*, *T. patagonica*Casamayor
Echinoids*Hypechinus patagonensis*, *Iheringiella patagonensis*, *Isechinus (Toxopneustes) praecursor*, *Linthia gaudryii*, *Platypygus (Cyrthoma) posthumus*, *Psammechinus iheringi*, *P. tournoueri*, *Schizaster ameghinoi*Casamayor
Pollen*Diporisporites elongatus*, *Gabonisporis vigourouxii*, *Jussitriporites menendezii*, *Liquidambarpollenites cf. brandonensis*, *Podocarpidites cf. marwickii*, *Retitriletes austroclavatidites*, *Smilacipites saltensis*, *Tricolpites lumbrerensis*, *T. cf. reticulatus*, *T. vulgaris*, *Verrustephanoporites simplex*, *Baculatisporites sp.*, *Diporicellaesporites sp.*, *Inapertisporites sp.*, *Inaperturopollenites sp.*, *Laevigatosporites sp.*, *Nothopollenites sp.*, *Pluricellaesporites sp.*, *Rhoipites sp.*Lumbrera

References

Bibliography

;General

;Casamayor Formation

;Abanico Formation

;Bogotá Formation

;Cayara Formation

  • {{citation |last1=Marshall |first1=Larry G. |last2=Sempere |first2=Thierry |year=1991 |title=The Eocene to Pleistocene vertebrates of Bolivia and their stratigraphic context: A review |url=https://www.researchgate.net/publication/32979728

;Chota Formation

;Los Cuervos Formation

;Fonseca Formation

;Huitrera Formation

;Laguna del Hunco Formation

;Lumbrera Formation

;Maíz Gordo Formation

;Quebrada de Los Colorados Formation

;Sarmiento Formation

References

  1. [https://paleodb.org/cgi-bin/bridge.pl?action=displayInterval&interval_no=735 Paleo Database: Casamayoran]
  2. Rose, 2006, p.236
  3. Raigemborn et al., 2010, p.252
  4. Godoy et al., 2012
  5. Muñoz et al., 2006
  6. Bayona et al., 2012, p.103
  7. Marshall & Sempere, 1991, p.633
  8. Chacaltana et al., 2015, p.2
  9. Castro Medina, 2010, p.53
  10. Hernández, 2003, p.47
  11. Cadena & Schweitzer, 2014, p.461
  12. Mendes et al., 2015, p.28
  13. Escostegui & Franchi, 2010, p.420
  14. Wilf et al., 2005, p.634
  15. Del Papa, 2006, p.314
  16. Narváez, 2009, p.24
  17. Del Papa et al., 2013, p.59
  18. Payrola Bosio et al., 2010, p.312
  19. Dozo et al., 2014, p.241
  20. Acosta & Tambussi, 2005, p.128
  21. [https://paleobiodb.org/classic/displayCollResults?collection_no=48176 Oficina del Diablo] at [[Fossilworks]].org
  22. [https://paleobiodb.org/classic/displayCollResults?collection_no=50066 Casamayor Bed 1] at [[Fossilworks]].org
  23. [https://paleobiodb.org/classic/displayCollResults?collection_no=186784 Azufre] at [[Fossilworks]].org
  24. [https://paleobiodb.org/classic/displayCollResults?collection_no=176065 Wila Apacheta] at [[Fossilworks]].org
  25. Herrera et al., 2017
  26. Deraco & García López, 2015
  27. [https://paleobiodb.org/classic/displayCollResults?collection_no=176663 Carahuasi] at [[Fossilworks]].org
  28. [https://paleobiodb.org/classic/displayCollResults?collection_no=13775 Estancia Pampa Grande] at [[Fossilworks]].org
  29. [https://paleobiodb.org/classic/displayCollResults?collection_no=20983 Estancia Pampa Grande East] at [[Fossilworks]].org
  30. [https://paleobiodb.org/classic/displayCollResults?collection_no=20984 Estancia Pampa Grande Cachi River] at [[Fossilworks]].org
  31. [https://paleobiodb.org/classic/displayCollResults?collection_no=44957 Estancia Pampa Grande Río Cachi] at [[Fossilworks]].org
  32. [https://paleobiodb.org/classic/displayCollResults?collection_no=132937 El Simbolar] at [[Fossilworks]].org
  33. [https://paleobiodb.org/classic/displayCollResults?collection_no=142855 Estrecho del Tonco] at [[Fossilworks]].org
  34. [https://paleobiodb.org/classic/displayCollResults?collection_no=175865 Estancia Pampa Grande Toro Bordo] at [[Fossilworks]].org
  35. [https://paleobiodb.org/classic/displayCollResults?collection_no=175867 Estancia Pampa Grande River Pablo] at [[Fossilworks]].org
  36. [https://paleobiodb.org/classic/displayCollResults?collection_no=175897 Estancia Pampa Grande Pablo Bordo] at [[Fossilworks]].org
  37. García López et al., 2017
  38. [https://paleobiodb.org/classic/displayCollResults?collection_no=176664 Cerro Bayo] at [[Fossilworks]].org
  39. [https://paleobiodb.org/classic/displayCollResults?collection_no=176661 Cerro Tin Tin] at [[Fossilworks]].org
  40. [https://paleobiodb.org/classic/displayCollResults?collection_no=58765 Valle del Tonco] at [[Fossilworks]].org
  41. [https://paleobiodb.org/classic/displayCollResults?collection_no=176491 Valle Hermoso] at [[Fossilworks]].org
  42. [https://paleobiodb.org/classic/displayCollResults?collection_no=39295 Cañadón Hondo Bird Clay] at [[Fossilworks]].org
  43. [https://paleobiodb.org/classic/displayCollResults?collection_no=49898 Tapera de López 1] at [[Fossilworks]].org
  44. [https://paleobiodb.org/classic/displayCollResults?collection_no=44956 Cañadón Vaca] at [[Fossilworks]].org
  45. [https://paleobiodb.org/classic/displayCollResults?collection_no=176170 Cañadón Vaca faunule 1] at [[Fossilworks]].org
  46. [https://paleobiodb.org/classic/displayCollResults?collection_no=166981 Calenturitas Coal Mine] at [[Fossilworks]].org
  47. [https://paleobiodb.org/classic/displayCollResults?collection_no=84702 Pampa de Jones] at [[Fossilworks]].org
  48. [https://paleobiodb.org/classic/displayCollResults?collection_no=92117 Cañadon del Hunco] at [[Fossilworks]].org
  49. [https://paleobiodb.org/classic/displayCollResults?collection_no=92655 Mina Aguilar] at [[Fossilworks]].org
  50. Sterli et al., 2015

  51. [https://paleobiodb.org/classic/displayCollResults?collection_no=142929 Cerro Verde] at [[Fossilworks]].org
  52. [https://paleobiodb.org/classic/displayCollResults?collection_no=50067 Casamayor Bed 3] at [[Fossilworks]].org
  53. [https://paleobiodb.org/classic/displayCollResults?collection_no=140477 Laguna del Hunco] at [[Fossilworks]].org
  54. [https://paleobiodb.org/classic/displayCollResults?collection_no=134349 Alemania] at [[Fossilworks]].org
  55. [https://paleobiodb.org/classic/displayCollResults?collection_no=176658 Casa Grande] at [[Fossilworks]].org
  56. [https://paleobiodb.org/classic/displayCollResults?collection_no=138890 Fonseca village] at [[Fossilworks]].org
  57. [https://paleobiodb.org/classic/displayCollResults?collection_no=154945 Fonseca village 2] at [[Fossilworks]].org
  58. [https://paleobiodb.org/classic/displayCollResults?collection_no=167551 Fonseca village 3] at [[Fossilworks]].org
  59. Mendes et al., 2015, p.32
  60. [https://paleobiodb.org/classic/displayCollResults?collection_no=169453 Estancia Don Hipólito] at [[Fossilworks]].org
  61. [https://paleobiodb.org/classic/displayCollResults?collection_no=136214 Fajas Verdes I & II] at [[Fossilworks]].org
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