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Xotodon

Osteichthyes - Notoungulata - Toxodontidae

Taxonomy
Xotodon was named by Ameghino (1887).

It was assigned to Typotheriidae by Ameghino (1887); and to Toxodontidae by Lydekker (1894), Rovereto (1914), Carroll (1988).

Species
X. ambrosettii, X. caravela, X. catamarcensis, X. cristatus, X. doellojuradoi, X. foricurvatus (syn. Toxodon parvulus), X. maimarensis, X. major, X. prominens, X. smaltatus
Species lacking formal opinion data
X. doellojuradi
Entered
by J. Alroy on 2003-01-23; modified by G. Varnham on 2019-05-25

Synonymy list
YearName and author
1887Xotodon Ameghino pp. e1425882-4-e1425882-14 fig. 3,4,5,7
1894Xotodon Lydekker p. 21
1914Xotodon Rovereto p. 123
1988Xotodon Carroll

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
superorderAfrotheria
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderNotoungulata
suborderToxodontiaAmeghino 1887
—Eutoxodontia
familyToxodontidae
genusXotodonAmeghino 1887

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.

G. †Xotodon Ameghino 1887
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†Xotodon ambrosettii Rovereto 1914
†Xotodon caravela Armella et al. 2018
†Xotodon catamarcensis Lydekker 1894
†Xotodon cristatus Moreno and Mercerat 1891
†Xotodon doellojuradoi Frenguelli 1920
†Xotodon foricurvatus Ameghino 1885
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Invalid names: Toxodon parvulus Burmeister 1885 [synonym]
†Xotodon maimarensis Bonini et al. 2017
†Xotodon major Rovereto 1914
†Xotodon prominens Ameghino 1889
†Xotodon smaltatus Kraglievich 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: grazerg
Reproduction: viviparoussubc
Comments: based on carbon isotope values in table 1g
Created: 2009-01-05 17:13:23
Modified: 2009-01-05 19:13:23
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, MacFadden et al. 1996, Ji et al. 2002, Lillegraven 1979

Age range: base of the Messinian to the top of the Lujanian or 7.24600 to 0.01170 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.63 - 5.333Argentina (Salta) X. sp. (206042)
Huayquerian8.0 - 5.0Argentina (Entre Rios) X. foricurvatus, X. doellojuradi (55600)
Huayquerian8.0 - 5.0Argentina (La Pampa) X. major (210572)
Huayquerian8.0 - 5.0Argentina (Catamarca) X. sp. (157794)
Messinian7.246 - 5.333Argentina (Mendoza) X. major (231294)
Messinian7.246 - 5.333Argentina (Jujuy) X. maimarensis (152079)
Messinian - Zanclean7.246 - 3.6Argentina (Tucumán) X. caravela (201725)
Messinian - Zanclean7.246 - 3.6Argentina (Mendoza) X. major (200118)
Zanclean5.333 - 3.6Argentina (Belén) X. sp. (189824)
Montehermosan5.0 - 3.8Argentina (Buenos Aires) X. sp., X. prominens, X. ambrosettii (198863)
Montehermosan5.0 - 3.8Argentina (Catamarca) X. sp. (176757)
Montehermosan - Chapadmalalan5.0 - 3.0Argentina (Catamarca) X. sp. (157795)
Montehermosan - Chapadmalalan5.0 - 3.0Argentina (Cordoba) X. sp. (189509)
Chapadmalalan3.8 - 3.0Argentina (Córdoba) X. sp. (202212)
Chapadmalalan3.8 - 3.0Argentina (Buenos Aires) X. sp. (199154 199156)
Piacenzian3.6 - 2.58Argentina (Córdoba) X. sp. (225604)
Lujanian0.4 - 0.0117Argentina (Entre Ríos) X. foricurvatus (212840)