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Xenarthra (edentate)

Mammalia -

Synonyms
Synonymy list
YearName and author
1798Edentata Cuvier
1883Edentata Flower p. 184
1889Xenarthra Cope p. 657
1889Edentata Cope p. 875
1891Edentata Flower and Lydekker p. 89
1897Edentata Parker and Haswell p. 449
1898Edentata Gadow p. 41
1898Xenarthra Gadow p. 41
1902Xenarthra Hay p. 575
1906Edentata Ameghino p. 91
1910Edentata Gregory p. 465
1910Xenarthra Gregory p. 465
1915Minerva Shufeldt p. 43
1933Minerva Lambrecht p. 618
1948Xenarthra Simpson
1956Xenarthra Paula Couto p. 99
1975Edentata McKenna p. 40
1981Edentata Thurmond and Jones p. 176
1985Minerva Olson p. 130
1988Xenarthra Carroll
1991Xenarthra Nowak
1993Xenarthra MacFadden et al. p. 235
1997Xenarthra McKenna and Bell p. 82
2000Xenarthra Villarroel p. 118
2001Xenarthra Madsen et al. p. 610
2007Xenarthra Croft et al. p. 783
2007Xenarthra Wible et al.
2009Xenarthra Shockey et al.
2010Xenarthra Asher and Helgen p. 3 figs. Figure 1
2010Xenarthra Kramarz et al.
2017Xenarthra Shockey

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Americatheria
Xenarthra()
Xenarthra()

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.

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: ground dwellingo
Diet: omnivoreo
Created: 2005-08-26 13:20:40
Modified: 2005-08-26 15:20:40
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Vizcaíno et al. 2010, Carroll 1988, Nowak 1999, Hendy et al. 2009, 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 (1178 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Late/Upper Paleocene58.7 - 55.8Kazakhstan (Chimkent) Asiabradypus incompositus (48888)
Late/Upper Paleocene - Early/Lower Eocene58.7 - 48.6Brazil (Rio de Janeiro) Riostegotherium yanei (118314)
Riochican57.0 - 55.8Argentina (Chubut) Dasypodidae indet. (176061)
Ypresian56.0 - 47.8Argentina (Chubut) Astegotherium sp., Stegosimpsonia sp., Prostegotherium astrifer, Riostegotherium sp. (176059)
Eocene56.0 - 33.9Argentina (Chubut) Dasypodidae indet. (49901)
Eocene - Miocene56.0 - 5.333Argentina (Chubut) Xenarthra indet. (176669)
Wasatchian55.8 - 50.3USA (Wyoming) Asiabradypus sp. (15759)
Early/Lower Eocene55.8 - 48.6Argentina (Chubut) Dasypodidae indet. (175728)
Bridgerian50.3 - 46.2USA (Wyoming) Aquila antiqua (16201)
Middle Eocene48.6 - 37.2Argentina (Chubut) Dasypodidae indet. (175743) Machlydotherium sparsus, Meteutatus percarinatus, Anteutatus lenis, Utaetus buccatus, Utaetus deustus, Posteutatus indentatus, Posteutatus scabridus, Posteutatus indemnis, Parutaetus chicoensis, Parutaetus clusus, Parutaetus signatus, Orthutaetus crenulatus, Orthutaetus clavatus, Pseudostegotherium chubutanum, Prostegotherium notostylopianum, Prostegotherium astrifer (13779) Prostegotherium indet. (176170) Utaetus buccatus (176169 176186) Utaetus indet. (176181 176184) Utaetus laxus (176164)
Middle Eocene48.6 - 37.2Argentina (Salta) Dasypodidae n. gen., Prostegotherium sp., Utaetus sp. (176661) Lumbreratherium oblitum (13775) Prostegotherium sp. (176660)
Middle Eocene48.6 - 37.2Brazil (Paraná) Machlydotherium sp., Meteutatus sp., Utaetus sp., Euphractinae indet., Astegotheriini indet., Parutaetus sp., Proeocoleophorus carlinii (186567)
Middle Eocene48.6 - 37.2Argentina (Jujuy) Dasypodidae n. gen. (176665)
Middle Eocene48.6 - 37.2Peru (Loreto) Cingulata indet., Stegosimpsonia chubutana (144474) Stegosimpsonia sp. (176151) Tolypeutinae indet., Eocoleophorus glyptodontoides (176129)
Middle Eocene - Late/Upper Eocene48.6 - 33.9Argentina (Chubut) Anteutatus lenis, Astegotherium dichotomus (176285) Coelutaetus cribellatus (176283) Pseudoglyptodon sp., Machlydotherium asperum, Meteutatus confluens (175761) Utaetus argos (176284)
Lutetian47.8 - 41.3Argentina (Chubut) Stegosimpsonia sp., Prostegotherium astrifer, Riostegotherium sp. (133039)
Bartonian41.3 - 38.0Antarctica Megalonychidae indet. (31173)
Bartonian41.3 - 38.0Argentina (Salta) Dasypodidae n. gen. (176662)
Bartonian - Priabonian41.3 - 33.9Argentina (Chubut) Stegotheriini Gen. nov. A, sp. nov. A a, Stegotheriini Gen. nov. A, sp. nov. A b, Utaetus deustus, Parutaetus chicoensis, Orthutaetus crenulatus, Mazzoniphractus ingens, Utaetus lenis (176189)
Priabonian38.0 - 33.9Argentina (Chubut) Stegotheriini Gen. nov. A, sp. nov. A a, Stegotheriini Gen. nov. A, sp. nov. A b, Parutaetus chicoensis, Mazzoniphractus ingens, Utaetus lenis (176194)