Mustersan

The Mustersan age is a period of geologic time (circa 38–35 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 or Tinguirirican ages.Mustersan at Fossilworks.orgWoodburne et al., 2013

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

Formations

Formation 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 Group Fossils Formation Notes Mammals Antepithecus 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. AndesitasHuancache 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 Birds Perudyptes devriesi Paracas Psilopteridae indet. Sarmiento Presbyornithidae indet. VacaMahuida Reptiles &amphibians Boidae indet., Sebecidae indet., Testudines indet. Geste Shelania laurenti VacaMahuida Boinae indet. Sarmiento Insects Acanthocephalonotum martinsnetoi, Archimyrmex piatnitzkyi, A. smekali, Madres delpueblo, ?Atalophlebia sp., Stratiomyidae indet. Ventana Flora Agathis zamunerae, Atherospermophyllum guinazui, Embothrium precoccineum, ?Embothrium pregrandiflorum, Fagus subferruginea, Lomatia preferruginea, Retrophyllum spiralifolium, Blechnum sp. Ventana

Mustersan

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