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Americatheria

Mammalia

Taxonomy
Americatheria was named by Shockey (2017).

It was assigned to Placentalia by Shockey (2017).

Sister taxa
Xenarthra (syn. Edentata)

Synonymy list
YearName and author
2017Americatheria Shockey

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Americatheria
Americatheria

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. †Americatheria Shockey 2017
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Unr. Xenarthra Cope 1889 [edentate]
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G. †Adiastaltus Ameghino 1893
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Adiastaltus habilis Ameghino 1893
Adiastaltus procerus Ameghino 1894
G. †Anathitus Ameghino 1894
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Anathitus revelator Ameghino 1894
G. †Argyromanis Ameghino 1904
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Argyromanis patagonica Ameghino 1904
Or. Cingulata Illiger 1811
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Fm. Chlamyphoridae Pocock 1924
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Subfm. Chlamyphorinae Bonaparte 1850
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G. Calyptophractus Fitzinger 1871
G. †Chlamydophractus Barasoain et al. 2020
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Invalid names: Chlamyphractus Barasoain et al. 2019 [replaced]
G. Chlamyphorus Harlan 1825
G. †Proeutatus Ameghino 1891
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Proeutatus oenophorum Ameghino 1887
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Invalid names: Eutatus bipunctatus Ameghino 1887 [synonym]
Proeutatus postpuntum Ameghino 1902
Proeutatus robustus Scott 1903
G. †Prozaedyus Ameghino 1891
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Prozaedius exilis Ameghino 1887
Prozaedius humilis Ameghino 1902
Prozaedius impressus Ameghino 1897
Prozaedius minimus Desmarest 1860
Prozaedius planus Ameghino 1897
Prozaedyus exilis Ameghino 1887
Prozaedyus humilis Ameghino 1902
Prozaedyus proximus Ameghino 1887
Prozaedyus scillatoyanei Barasoain et al. 2020
Prozaedyus tenuissimus Ameghino 1902
G. †Stenotatus Ameghino 1891
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Stenotatus centralis Ameghino 1902
Stenotatus hesternus Ameghino 1889
Stenotatus karaikensis Ameghino 1889
Stenotatus patagonicus Ameghino 1887
Stenotatus planus Scillato-Yané and Carlini 1998
Unr. Dasypodoidea Gray 1821
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Fm. Dasypodidae Gray 1821 [armadillo]
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G. †Amblytatus Ameghino 1902
G. †Archaeutatus Ameghino 1902
G. †Astegotherium Ameghino 1902
Subfm. †Dasypodinae Gray 1821
G. †Epipeltecoelus Ameghino 1904
Subfm. Euphractinae Winge 1923
G. Euphractus Wagler 1830 [six-banded armadillo]
G. †Lumbreratherium Herrera et al. 2017
G. †Machlydotherium Ameghino 1902
G. †Macrochorobates Scillato Yané 1980
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Invalid names: Acantharodeia Rovereto 1914 [synonym]
G. †Prodasypus Ameghino 1894
G. †Prostegotherium Ameghino 1902
G. †Pseudeutatus Ameghino 1902
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Invalid names: Pachyzaedyus Ameghino 1902 [synonym]
G. †Pseudostegotherium Ameghino 1902
G. †Pucatherium Herrera et al. 2012
G. †Punatherium Ciancio et al. 2016
G. †Stegotheriopsis Bordas 1939
Subfm. Tolypeutinae Gray 1865
G. †Utaetus Ameghino 1902
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Invalid names: Anteutatus Ameghino 1902 [synonym], Orthutaetus Ameghino 1902 [synonym], Posteutatus Ameghino 1902 [synonym]
Invalid names: Chalamydotheriinae Lydekker 1894 [empty], Dasypina Gray 1825 [empty], Meteutatus attonsus Ameghino 1902 [nomen vanum], Ornithoryncina Gray 1825 [empty], Orycteropina Gray 1825 [empty], Pampatheriinae Paula Couto 1954 [empty], Peltephilinae Lydekker 1894 [empty]
G. †Eocoleophorus Oliveira et al. 1997
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Eocoleophorus glyptodontoides Oliveira et al. 1997
Subor. †Glyptodontia Ameghino 1889
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G. †Chacus Zurita 2002
G. †Coscinocercus Cabrera 1939
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Coscinocercus brachyurus Cabrera 1939
Coscinocercus marcalaini Cabrera 1939
G. †Eonaucum Scillato-Yané and Carlini 1998
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Eonaucum colloncuranum Scillato-Yané and Carlini 1998
G. †Eosclerophorus Castellanos 1948
Fm. †Glyptatelidae Castellanos 1932
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G. †Clypeotherium Scillato-Yané 1977
G. †Glyptatelus Ameghino 1897
G. †Lomaphorelus Ameghino 1902
Superfm. †Glyptodontoidea Gray 1869
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Fm. †Glyptodontidae Burmeister 1879 [glyptodon]
Tr. †Lomaphorini Hoffstetter 1958
Fm. †Palaeopeltidae Ameghino 1894
Fm. †Pampatheriidae Paula Couto 1954
Fm. †Panochthidae Castellanos 1927
Infraor. †Glyptodontoinei Gray 1869
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G. †Eosclerocalyptus Ameghino 1919
G. †Hoplophractus Cabrera 1939
G. †Pseudoplohophorus Castellanos 1926
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Invalid names: Asymmetrura Farina 1981 [synonym], Berthawyleria Castellanos 1939 [synonym], Caudaphorus Farina 1981 [synonym], Teisseiria Kraglievich 1932 [synonym], Trabalia Kraglevich 1932 [synonym]
G. †Stromaphorus Castellanos 1926
G. †Isolinia Castellanos 1951
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Isolinia cordubensis Castellanos 1936
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Invalid names: Isolinia reartense Castellanos 1936 [synonym]
Tr. †Neothoracophorini Castellanos 1951
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G. †Pseudoneothoracophorus Castellanos 1951
Tr. †Neuryurini Hoffstetter 1958
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G. †Neuryurus Ameghino 1889
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Invalid names: Euryurus Gervais and Ameghino [replaced]
G. †Pseudoeuryurus Ameghino 1889
G. †Urotherium Castellanos 1926
Tr. †Palaehoplophorini Hoffstetter 1958
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G. †Aspidocalyptus Cabrera 1939
G. †Chlamyphractus Castellanos 1939
G. †Palaehoplophoroides Scillato-Yané and Carlini 1998
G. †Palaehoplophorus Ameghino 1883
G. †Protoglyptodon Ameghino 1885
G. †Parahoplophorus Castellanos 1932
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Parahoplophorus paranensis Ameghino 1883
G. †Phlyctaenopyga Cabrera 1944
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Phlyctaenopyga ameghini Moreno 1882
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Invalid names: Hoplophorus philippii Moreno and Mercerat 1891 [synonym], Neuryurus compressidens Moreno and Mercerat 1891 [synonym]
G. †Plohophoroides Castellanos 1928
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Plohophoroides conterminus Castellanos 1928
G. †Plohophorops Rusconi 1934
Infraor. †Propalaehoplophoroinei Ameghino 1891
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Superfm. †Propalaehoplophoroidea Ameghino 1891
G. †Stromaphoropsis Kraglevich 1932
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Stromaphoropsis scavinoi Kraglievich 1932
G. †Trachycalyptus Ameghino 1908
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Trachycalyptus cingulatus Ameghino 1889
G. †Uruguayurus Mones 1987
G. †Zaphilus Ameghino 1889
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Invalid names: Zaphilus larranagai Ameghino 1889 [nomen dubium]
G. †Noatherium Fernicola et al. 2021
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Noatherium emilioi Fernicola et al. 2021
Fm. †Pachyarmatheriidae Fernicola et al. 2018
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G. †Neoglyptatelus Carlini et al. 1997
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Neoglyptatelus originalis Carlini et al. 1997
Neoglyptatelus sincelejanus Villarroel and Clavijo 2005
Neoglyptatelus uruguayensis Fernicola et al. 2018
G. †Pachyarmatherium Downing and White 1995
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Pachyarmatherium brasiliense Porpino et al. 2009
Pachyarmatherium leiseyi Downing and White 1995
Pachyarmatherium tenebris Rincon and White 2007
Unr. †Peltephilidae Ameghino 1894
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G. †Anantiosodon Ameghino 1891
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Anantiosodon rarus Ameghino 1891
G. †Epipeltephilus Ameghino 1904
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Epipeltephilus caraguensis Montoya-Sanhueza et al. 2017
Epipeltephilus kanti Gonzalez-Ruiz et al. 2012
Epipeltephilus recurvus Ameghino 1904
G. †Parapeltecoelus Bordas 1938
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G. †Peltecoelus Ameghino 1902
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Peltecoelus praelucens Ameghino 1902
G. †Peltephilus Ameghino 1887
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Peltephilus depressus Ameghino 1897
Peltephilus ferox Ameghino 1891
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Invalid names: Peltephilus clarazianus Moreno and Mercerat 1891 [synonym]
Peltephilus giganteus Ameghino 1894
Peltephilus grandis Moreno and Mercerat 1891
Peltephilus granosus Ameghino 1902
Peltephilus nanus Ameghino 1898
Peltephilus protervus Ameghino 1897
Peltephilus pumilus Ameghino 1887
Peltephilus rarus Ameghino 1891
Peltephilus strepens Ameghino 1887
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Invalid names: Peltephilus heusseri Moreno and Mercerat 1891 [synonym]
Peltephilus undulatus Ameghino 1897
G. †Ronwolffia Shockey 2017
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Ronwolffia pacifica Shockey 2017
G. †Proeocoleophorus Sedor et al. 2017
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Proeocoleophorus carlinii Sedor et al. 2017
G. †Saltatherium Fernicola et al. 2021
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Saltatherium rosaurae Fernicola et al. 2021
G. †Yuruatherium Ciancio et al. 2012
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Yuruatherium tropicalis Ciancio et al. 2012
Invalid names: Euphracta [empty], Glyptodonta [empty]
Fm. †Ernanodontidae Ding 1979
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G. †Asiabradypus Nessov 1987
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G. †Orthoarthrus Ameghino 1904
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Orthoarthrus mixtus Ameghino 1904
Unr. Phyllophaga Owen 1842
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Superfm. †Megalonychoidea
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G. †Proplatyarthrus Ameghino 1905
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Proplatyarthrus longipes Ameghino 1905
Invalid names: Nothrotheriidae Ameghino 1920 [empty]
G. †Pseudoglyptodon Engelmann 1987
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Pseudoglyptodon chilensis McKenna et al. 2006
Pseudoglyptodon sallaensis Engelmann 1987
Invalid names: Gravigrada [synonym]
Infraor. Pilosa Flower 1883
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Unr. Folivora Delsuc et al. 2001
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Cl. †Eufolivora Delsuc 2001
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Fm. Bradypodidae Gray 1821
Superfm. †Megatherioidea Gray 1821
Fm. †Mylodontidae Ameghino 1889
Invalid names: Eutardigrada Gaudin 1995 [synonym]
Superfm. †Mylodontoidea Gill 1872
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G. †Eionaletherium Rincón et al. 2015
Invalid names: Tardigrada Latham and Davies 1795 [replaced]
Superfm. †Vermilingua
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Fm. Cyclopedidae Pocock 1924
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G. Cyclopes Gray 1811
G. †Palaeomyrmidon Rovereto 1914
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G. Myrmecophaga Linnaeus 1758 [giant anteater]
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Invalid names: Falcifer Rehn 1900 [synonym], Nunezia Kraglievich 1934 [synonym]
Tr. Myrmecophagina Gray 1825
G. †Palaeomyrmedon Roverto 1914
Invalid names: Adiastaltidae Ameghino 1894 [synonym], Anathitidae Ameghino 1894 [synonym]
Invalid names: Anicanodonta Ameghino 1889 [synonym]
Invalid names: Edentata Cuvier 1798 [synonym], Myrmecophagi Jaekel 1911 [empty], Placophori Jaekel 1911 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 80 kgg
Minimum body mass: 1.12 kgg
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: insectivoresubc
Reproduction: viviparoussubc
Created: 2005-09-06 20:43:42
Modified: 2005-09-06 22:44:32
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Vizcaíno et al. 2010, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Ypresian to the top of the Holocene or 56.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 55.8 Ma

Collections (1529 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Cenozoic66.0 - 0.0Brazil (Acre) Xenarthra indet. (217626 217783)
Late/Upper Paleocene58.7 - 55.8Kazakhstan (Chimkent) Asiabradypus incompositus (48888)
Riochican57.0 - 55.8Argentina (Chubut) Dasypodidae indet. (175728 176061)
Ypresian56.0 - 47.8Argentina (Salta) Pucatherium parvum, Noatherium emilioi (224372)
Ypresian56.0 - 47.8Antarctica Xenarthra indet. (168816)
Ypresian - Lutetian56.0 - 41.3Argentina (Chubut) Prostegotherium astrifer (231392)
Wasatchian55.8 - 50.3USA (Wyoming) Asiabradypus sp. (15759)
Early/Lower Eocene55.8 - 48.6Brazil (Rio de Janeiro) Riostegotherium yanei (118314)
Casamayoran55.8 - 48.0Argentina (Chubut) Astegotherium dichotomus, Anteutatus lenis (176285) Coelutaetus cribellatus (176283) Dasypodidae indet. (175743) Utaetus argos (176284)
Middle Eocene48.6 - 37.2Peru (Loreto) Stegosimpsonia sp. (176151)
Middle Eocene48.6 - 37.2Argentina (Salta) Utaetus magnum (132937)
Mustersan48.0 - 42.0Argentina (Chubut) Dasypodidae indet. (49901) Machlydotherium asperum, Meteutatus confluens, Pseudoglyptodon sp. (175761) Machlydotherium intortum, Machlydotherium asperum, Machlydotherium ater, Meteutatus rigidus, Sadypus ascendens, Sadypus confluens, Pachyzaedyus cuneiformis, Pseudeutatus clypeus, Anutaetus circundatus, Isutaetus depictus, Anteutatus laevus, Lomaphorelus depstus, Glyptatelus fractus, Palaeopeltis tesseratus (176286) Meteutatus attonsus, Stegosimpsonia sp., Machlydotherium sp., Mazzoniphractus ingens, Parutaetus chicoensis, Utaetus lenis, Stegotheriini Gen. nov. A, sp. nov. A a, Stegotheriini Gen. nov. A, sp. nov. A b (176194) Meteutatus rigidus, Pseudeutatus depictus (176290)
Lutetian47.8 - 41.3Argentina (Salta) Dasypodidae n. gen. (176662) Lumbreratherium oblitum, Pucatherium parvum (13775) Parutaetus punaensis, Pucatherium parvum, Saltatherium rosaurae (225030)
Lutetian47.8 - 41.3Argentina (Jujuy) Prostegotherium astrifer, Pucatherium parvum (41706)
Lutetian47.8 - 41.3Argentina (Chubut) Astegotherium sp., Prostegotherium astrifer, Riostegotherium sp., Stegosimpsonia sp. (176059) Prostegotherium astrifer, Riostegotherium sp., Stegosimpsonia sp. (133039) Prostegotherium indet. (176170)
Lutetian - Bartonian47.8 - 38.0Argentina (Chubut) Utaetus laxus (176164)
Bartonian41.3 - 38.0Argentina (Salta) Dasypodidae n. gen., Prostegotherium sp., Pucatherium parvum, Utaetus sp. (176661) Prostegotherium sp., Pucatherium parvum (176660)
Bartonian41.3 - 38.0Argentina (Chubut) Prostegotherium astrifer, Prostegotherium notostylopianum, Machlydotherium sp., Machlydotherium sparsus, Parutaetus clusus, Parutaetus chicoensis, Parutaetus signatus, Meteutatus percarinatus, Pseudostegotherium chubutanum, Anteutatus lenis, Utaetus deustus, Utaetus buccatus, Posteutatus scabridus, Posteutatus indemnis, Orthutaetus clavatus, Orthutaetus crenulatus, Posteutatus indentatus, Peltephilidae indet., Pilosa indet. (13779) Stegosimpsonia sp., Mazzoniphractus ingens, Parutaetus chicoensis, Sadypus sp., Utaetus lenis, Utaetus deustus, Orthutaetus crenulatus, Peltephilidae indet., Stegotheriini Gen. nov. A, sp. nov. A a, Stegotheriini Gen. nov. A, sp. nov. A b (176189) Utaetus buccatus (176169 176186) Utaetus indet. (176181 176184)
Bartonian41.3 - 38.0Brazil (Paraná) Astegotheriini indet., Machlydotherium sp., Euphractinae indet., Parutaetus sp., Meteutatus sp., Proeocoleophorus carlinii, Utaetus sp. (186567)
Bartonian41.3 - 38.0Argentina (Jujuy) Dasypodidae n. gen. (176665)