From Wikipedia, the free encyclopedia
South American land mammal age
The Divisaderan age is a
South American land mammal age , covering a period of
geologic time (42.0–36.0
Ma ) within the
Middle and
Late Eocene epochs of the
Paleogene . It follows the
Mustersan age and is followed by the
Tinguirirican age.
[1]
Etymology
The age is named after the
Divisadero Largo Formation of
Divisadero Largo , Mendoza,
Argentina .
Formations
Locations of Divisaderan formations
Fossils
Group
Fossils
Formation
Notes
Mammals
Acamana ambiguus ,
Adiantoides leali ,
Allalmeia atalaensis ,
Brachystephanus postremus ,
Groeberia minoprioi ,
G. pattersoni ,
Phoradiadius divortiensis ,
Xenostephanus chiottii ,
Trigonostylops sp. ,
?Notoungulata indet.
Divisadero Largo
Proeocoleophorus carlinii ,
Machlydotherium sp. ,
Meteutatus sp. ,
Nemolestes sp. ,
Parutaetus sp. ,
Utaetus sp. ,
Argyrolagoidea indet. ,
Astegotheriini indet. ,
Astrapotheria indet. ,
Euphractinae indet. ,
Notopithecidae indet. ,
Oldfieldthomasiidae indet. ,
Palaeothentoidea indet.
Guabirotuba
Ocucajea picklingi ,
Supayacetus muizoni ,
Basilosauridae indet.
Paracas
Cachiyacuy contamanensis ,
C. kummeli ,
Canaanimys maquiensis ,
Eobranisamys javierpradoi ,
Eocoleophorus glyptodontoides ,
Pozomys ucayaliensis ,
Pseudostegotherium chubutanum ,
cf. Eoespina sp. ,
cf. Griphodon sp. ,
cf. Perulestes sp. ,
Rumiodon sp. ,
Sasawatsu sp. ,
Stegosimpsonia sp. ,
?Trigonostylops sp. ,
Wamradolops sp. ,
Archaeohyracidae indet. ,
Bonapartherioidea indet. ,
Borhyaenidae indet. ,
Chinchilloidea indet. ,
Cingulata indet. ,
Didelphimorphia indet. ,
Interatheriinae indet. ,
Litopterna indet. ,
Microchiroptera indet. ,
Molossidae indet. ,
Phyllostomatidae indet. ,
Polydolopimorphia indet. ,
?Sudamericidae indet. ,
Toxodontia indet.
Pozo
Pseudocladosictis determinabile ,
Patene coluapiensis ,
Angelocabrerus daptes ,
Arminiheringia auceta ,
Caroloameghinia mater ,
C. tenuis ,
Coona gaudryi ,
Rosendolops primigenium ,
Polydolops crassus ,
P. serra ,
P. thomasi ,
Amphidolops serrula ,
Eudolops tetragonus ,
Pseudolops princeps ,
Progarzonia notostylopense ,
Ideodelphys microscopicus ,
Tonostylops spissus ,
Thomashuxleya rostrata ,
Coelostylodon caroloameghinoi ,
C. florentinoameghinoi ,
Acoelohyrax complicatissimus ,
Isotemnus colhuehuapiensis ,
I. primitivus ,
Anisotemnus distentus ,
Pleurostylodon crassiramis ,
P. modicus ,
P. similis ,
Homalostylops parvus ,
Notostylops bicinctus ,
N. murinus ,
Isostylops fretus ,
Catastylops deflexus ,
Eohyrax isotemnoides ,
E. praerusticus ,
Archaeopithecus fossulatus ,
A. rogeri ,
Maxschlosseria consumata ,
Oldfieldthomasia debilitata ,
O. parvidens ,
O. transversa ,
Ultrapithecus rutilans ,
Paginula parca ,
Transpithecus obtentus ,
Antepithecus brachystephanus ,
A. innexus ,
Notopithecus adapinus ,
Henricosbornia ?lophodonta ,
Acoelodus proclivus ,
Proectocion argentinus ,
P. precisus ,
Didolodus magnus ,
D. minor ,
D. multicuspis ,
Paulogervaisia inusta ,
P. mamma ,
P. porca ,
Ernestokokenia nitida ,
Albertogaudrya unica ,
?Trigonostylops duplex ,
T. wortmani ,
Parutaetus chicoensis ,
P. clusus ,
P. signatus ,
Meteutatus percarinatus ,
Pseudostegotherium chubutanum ,
Prostegotherium astrifer ,
P. notostylopianum ,
Utaetus buccatus ,
U. deustus ,
U. lenis ,
Machlydotherium sparsum ,
Rutimeyeria conulifera
Guilielmofloweria plicata ,
Anisolambda fissidens ,
Proplanodus adnepos ,
Periphragnis exauctus ,
Mazzoniphractus ingens
Sarmiento
Mystacodon selenensis
Yumaque
Reptiles & amphibians
Cunampaia simplex ,
Ilchunaia parva ,
Barinasuchus sp.
Divisadero Largo
?Balanerodus sp. ,
cf. Sebecus sp. ,
Anilioidea indet. ,
Anura indet. ,
Booidea indet. ,
Caimaninae indet. ,
?Chelidae indet. ,
Gavialoidea indet. ,
Pipidae indet. ,
?Platynota indet.
Pozo
Eocaiman cavernensis ,
?Boa sp. ,
?Madtsoia sp. ,
Crocodylomorpha indet.
Sarmiento
Birds
Spheniscidae indet.
Loreto
Fishes
Ischyodus dolloi ,
Striatolamia macrota ,
Elasmobranchii indet.
Loreto
Potamotrygon ucayalensis ,
?Colossoma sp. ,
cf. Leporinus sp. ,
cf. Hydrolycus sp. ,
Actinopterygii indet. ,
Characiformes indet.
Pozo
Flora
Chara (Grambastichara) tornata ,
Nitellopsis (Tectochara) latispira
Pozo
References
^
Divisaderan at
Fossilworks .org
^ Cerdeño & Guiomar, M2007, p.200
^ Godoy et al., 2012
^ Muñoz et al., 2006
^ Tejedor et al., 2009, p.6
^ Chacaltana et al., 2015, p.2
^ Castro Medina, 2010, p.53
^ Sedor et al., 2017, p.39
^ Clarke et al., 2003
^ Otero et al., 2012
^ Clarke et al., 2007, p.11545
^ Antoine et al., 2016, p.56
^ Castro Medina, 2010, p.54
^ Dozo et al., 2014, p.241
^ Acosta & Tambussi, 2005, p.128
^ Carlotto, 2016, p.522
^ Solíz Mundaca, 2018, p.11
^
a
b
Divisadero Hill at
Fossilworks .org
^ Sedor et al., 2017
^
Guabirotuba fauna at
Fossilworks .org
^
Archaeocete Valley at
Fossilworks .org
^
Archaeocete Valley, Paracas, AV-17 at
Fossilworks .org
^
Archaeocete Valley, Paracas, AV-19 at
Fossilworks .org
^ Boivin et al., 2017
^
a
b
c
CTA-27 at
Fossilworks .org
^
a
b
CTA-29 at
Fossilworks .org
^
a
b
CTA-51 at
Fossilworks .org
^
CTA-66 at
Fossilworks .org
^
a
b
Barranca south of Lago Colhue-Huapi, Gran Barranca at
Fossilworks .org
^
El Nuevo at
Fossilworks .org
^
Locality III, Tapera de López, Riconada de los López at
Fossilworks .org
^
Gran Barranca faunule 12 at
Fossilworks .org
^ Lambert et al., 2017
^
Playa Media Luna at
Fossilworks .org
^
Eocaiman cavernensis holotype locality at
Fossilworks .org
^
a
b
Río de las Minos at
Fossilworks .org
^
CTA-73 at
Fossilworks .org
Bibliography
General
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Abanico Formation
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Andesitas Huancache Formation
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Chota Formation
Guabirotuba Formation
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Leticia Formation
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Loreto Formation
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Paracas Group
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Pozo Formation
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Sarmiento Formation
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Soncco Formation
Yumaque Formation
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Ages Defining formations and sites
Sources