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Mcdonaldocnus villarroeli

Osteichthyes - Nothrotheriidae

Discussion

Largely following Brandoni et al. (2019), we recognise material assigned to Xyophorus bondesioi, Xyophorus villarroeli and Xyophorus sp. as pertaining to a new nothrotheriid genus, Mcdonaldocnus.

Taxonomy
Mcdonaldocnus villarroeli was named by Gaudin et al. (2022). Its type specimen is MNHN.F ACH 43, a mandible (partial right mandible), and it is a 3D body fossil.

It was synonymized objectively with Mcdonaldocnus bondesioi by Gaudin et al. (2022).

Synonyms
  • Xyophorus villarroeli was named by St-Andre (1996). Its type specimen is MNHN ACH 43, a mandible (Dentary fragments), and it is a 3D body fossil. Its type locality is Achiri, which is in a Tortonian terrestrial sandstone in the Mauri Formation of Bolivia.

    It was synonymized objectively with Mcdonaldocnus villarroeli by Miño-Boilini et al. (2023).
Synonymy list
YearName and author
1996Xyophorus villarroeli St-Andre
2022Mcdonaldocnus villarroeli Gaudin et al. pp. 1043, 1044 figs. 5D-F
2023Mcdonaldocnus villarroeli Miño-Boilini et al. p. 1437 fig. 2

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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()
infraorderCynodontia()
RankNameAuthor
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Americatheria
Xenarthra()
infraorderPilosaFlower 1883
Folivora
classEufolivoraDelsuc et al. 2001
superfamilyMegatherioideaGray 1821
Megatheria
familyNothrotheriidaeAmeghino 1920
genusMcdonaldocnus
speciesvillarroeli

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.

Mcdonaldocnus villarroeli Gaudin et al. 2022
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Invalid names: Xyophorus villarroeli St-Andre 1996 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: omnivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 13:20:40
Modified: 2005-08-26 15:20:40
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Nowak 1999, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979
Collections
No collection or age range data are available