Mustersan

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title: "Mustersan" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["mustersan", "eocene-south-america", "paleogene-argentina"] topic_path: "geography/argentina" source: "https://en.wikipedia.org/wiki/Mustersan" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

The Mustersan age is a period of geologic time (48.0–42.0 Ma) within the Eocene epoch of the Paleogene, used more specifically within the South American land mammal age (SALMA) classification. It follows the Casamayoran and precedes the Divisaderan age.

Etymology

This age is named after Lake Musters in the Golfo San Jorge Basin.

Formations

| relief = 1 | width = 300 | caption = Locations of Mustersan formations | places = | lat_deg = -42.8 | lon_deg = -69.9 | mark = Orange pog.svg | marksize = 10 | link = Andesitas Huancache Formation | lat_deg = -5.5 | lon_deg = -78.6 | mark = Orange pog.svg | marksize = 10 | link = Chota Formation | lat_deg = -26.1 | lon_deg = -67.4 | mark = Orange pog.svg | marksize = 10 | link = Geste Formation | lat_deg = -14.6 | lon_deg = -75.9 | mark = Orange pog.svg | marksize = 10 | link = Paracas Formation | lat_deg = -7.3 | lon_deg = -75.0 | mark = Orange pog.svg | marksize = 10 | link = Pozo Formation | lat_deg = -13.336667 | lon_deg = -71.741111 | mark = Orange pog.svg | marksize = 10 | link = Soncco Formation | lat_deg = -37.8 | lon_deg = -66.1 | mark = Orange pog.svg | marksize = 10 | link = Vaca Mahuida Formation | lat_deg = -41.1 | lon_deg = -70.8 | mark = Orange pog.svg | marksize = 10 | link = Ventana Formation | lat_deg = -9.5 | lon_deg = -72.8 | mark = Orange pog.svg | marksize = 10 | link = Yahuarango Formation | lat_deg = -44.4 | lon_deg = -68.8 | mark = Orange pog.svg | marksize = 14 | link = Sarmiento Formation ::data[format=table] | Formation bold is type | Country | Basin | Notes | |---|---|---|---| | Sarmiento Formation | | Golfo San Jorge Basin | | | Abanico Formation | | Abanico Basin | | | Andesitas Huancache Formation | | Golfo San Jorge Basin | | | Chota Formation | | Bagua Basin | | | Geste Formation | | Puna Plateau | | | Paracas Formation | | Pisco Basin | | | Pozo Formation | | Ucayali Basin | | | Soncco Formation | | Eastern Peruvian Andes | | | Vaca Mahuida Formation | | Neuquén Basin | | | Ventana Formation | | Neuquén Basin | | | Yahuarango Formation - Santa Rosa fauna | | Ucayali Basin | | ::

Fossils

::data[format=table]

GroupFossilsFormationNotes
MammalsAntepithecus brachystephanus, Guilielmoscottia plicifera, Kramadolops mayoi, Propyrotherium saxeum, Pseudhyrax eutrachytheroides, Eomorphippus sp.Sarmiento
Chlorocyon phantasma, Ignigena minisculus, aff. Ernestokokenia sp., Borhyaenidae indet., Oldfieldthomasiidae indet.Abanico
Archaeopithecus cf. rogeri, Asmithwoodwardia subtrigona, Bardalestes hunco, Gashternia ctalehor, Greniodon sylvaticus, Henricosbornia lophodonta, Homalostylops parvus, Palangania cf. brandmayri, Polydolops rothi, P. unicus, Prostegotherium cf. astrifer, Amphidolops sp., Marmosopsis sp., Notostylops sp., Pauladelphys sp., Protodidelphis sp., Riostegotherium sp., Stegosimpsonia sp., Borhyaeninae indet., Caroloameghiniinae indet., Hathlyacininae indet.[Andesitas
Huancache](andesitas-huancache-formation)
Antofagastia turneri, Bonapartherium serrensis, Parastegosimpsonia cf. peruana, Parutaetus punaensis, Prostegotherium notostylopianum, Pucatherium parvum, Punadolops alonsoi, Punahyrax bondesioi, Punapithecus minor, Punatherium catamarquensis, Reigia punae, Suniodon catamarcensis, Astegotherium sp., Callistoe sp., Colbertia sp., cf. Ernestokokenia sp., cf. Pampahippus sp., Propyrotherium sp., cf. Utaetus sp., Astrapotheriidae indet., Interatheriidae indet., Isotemnidae indet., Litopterna indet., Notohippidae indet., Notostylopidae indet., Notoungulata indet., Oldfieldthomasiidae indet., Typotheria indet.Geste
Eobranisamys riverai, E. romeropittmanae, Eodelphomys almeidacomposi, Eoespina woodi, Eoincamys ameghinoi, E. pascuali, Eopicure kraglievichi, Eopululo wigmorei, Eosachacui lavocati, Eosallamys paulacoutoi, E. simpsoni, Hondonadia pittmanae, Incadolops ucayali, Kirutherium paititiensis, Kiruwamaq chisu, Micoureus laventicus, Parastegosimpsonia peruana, Patene campbelli, Perulestes cardichi, P. fraileyi, Perupithecus ucayaliensis, Rumiodon inti, Sasawatsu mahaynaq, Wamradolops tsullodon, Wirunodon chanku, Yuruatherium tropicalis, Guiomys sp., Scleromys sp., Sipalocyon sp., cf. Microsteiromys sp., Acaremyidae indet., Chiroptera indet., ?Gondwanatheria indet., Glyptodontinae indet., Hystricognatha indet., Interatheriinae indet., cf. Notohippidae indet.Yahuarango
BirdsPerudyptes devriesiParacas
Psilopteridae indet.Sarmiento
Presbyornithidae indet.[Vaca
Mahuida](vaca-mahuida-formation)
Reptiles &
amphibiansBoidae indet., Sebecidae indet., Testudines indet.Geste
Shelania laurenti[Vaca
Mahuida](vaca-mahuida-formation)
Boinae indet.Sarmiento
InsectsAcanthocephalonotum martinsnetoi, Archimyrmex piatnitzkyi, A. smekali, Madres delpueblo, ?Atalophlebia sp., Stratiomyidae indet.Ventana
FloraAgathis zamunerae, Atherospermophyllum guinazui, Embothrium precoccineum , ?Embothrium pregrandiflorum, Fagus subferruginea, Lomatia preferruginea, Retrophyllum spiralifolium, Blechnum sp.Ventana
::

References

Bibliography

;General

;Sarmiento Formation

;Abanico Formation

;Andesitas Huancache Formation

;Chota Formation

;Geste Formation

;Paracas Formation

;Pozo Formation

;Soncco Formation

;Vaca Mahuida Formation

;Ventana Formation

;Yahuarango Formation

References

  1. [http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayInterval&interval_no=734 Mustersan] at [[Fossilworks]].org
  2. Woodburne et al., 2013
  3. Dozo et al., 2014, p.241
  4. Acosta & Tambussi, 2005, p.128
  5. Godoy et al., 2012
  6. Muñoz et al., 2006
  7. Tejedor et al., 2009, p.6
  8. Chacaltana et al., 2015, p.2
  9. Castro Medina, 2010, p.53
  10. Ciancio et al., 2016, p.577
  11. López & Bond, 1995, p.92
  12. Clarke et al., 2007, p.11545
  13. Antoine et al., 2016, p.56
  14. Castro Medina, 2010, p.54
  15. Carlotto, 2016, p.522
  16. [https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=37439 ''Shelania''] at [[Fossilworks]].org
  17. Wilf et al., 2005
  18. Campbell et al., 2014, p.13
  19. [https://paleobiodb.org/classic/displayCollResults?collection_no=38879 La Gran Hondonada] at [[Fossilworks]].org
  20. [https://paleobiodb.org/classic/displayCollResults?collection_no=186802 Sierra Chaira] at [[Fossilworks]].org
  21. Engelman et al., 2018
  22. [https://paleobiodb.org/classic/displayCollResults?collection_no=38880 Tapado] at [[Fossilworks]].org
  23. Goin et al., 2012
  24. [https://paleobiodb.org/classic/displayCollResults?collection_no=133039 La Barda] at [[Fossilworks]].org
  25. Ciancio et al., 2016
  26. García López & Babot, 2014
  27. [https://paleobiodb.org/classic/displayCollResults?collection_no=41608 Antofagasta de la Sierra] at [[Fossilworks]].org
  28. [https://paleobiodb.org/classic/displayCollResults?collection_no=175809 Pozuelos salt flat, Quebrada El Paso] at [[Fossilworks]].org
  29. Bond et al., 2015
  30. Ciancio et al., 2012
  31. [https://paleobiodb.org/classic/displayCollResults?collection_no=149523 Santa Rosa fauna] at [[Fossilworks]].org
  32. [https://paleobiodb.org/classic/displayCollResults?collection_no=144513 MD-67] at [[Fossilworks]].org
  33. [https://paleobiodb.org/classic/displayCollResults?collection_no=73817 Quebrada Perdida] at [[Fossilworks]].org
  34. [https://paleobiodb.org/classic/displayCollResults?collection_no=45418 Vaca Mahuida Facies] at [[Fossilworks]].org
  35. [https://paleobiodb.org/classic/displayCollResults?collection_no=138697 Confluencia locality] at [[Fossilworks]].org
  36. [https://paleobiodb.org/classic/displayCollResults?collection_no=157776 Quarry RP3, Río Pichileufú] at [[Fossilworks]].org
  37. [https://paleobiodb.org/classic/displayCollResults?collection_no=138647 Pilcaniyeu road, near Río Pichileufú] at [[Fossilworks]].org
  38. [https://paleobiodb.org/classic/displayCollResults?collection_no=197640 Río Pichileufú: quarry RP3 MEC dup] at [[Fossilworks]].org
  39. [https://paleobiodb.org/classic/displayCollResults?collection_no=153416 Río Pichileufú] at [[Fossilworks]].org
  40. [https://paleobiodb.org/classic/displayCollResults?collection_no=136410 Cerro Coihué] at [[Fossilworks]].org

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mustersaneocene-south-americapaleogene-argentina