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Megalonyx sierrensis (sloth)

Mammalia - Megalonychidae

Taxonomy
Megalonyx sierrensis was named by Sinclair (1905) [mandible of same individual as UCMP is in the MCZ collection]. Its type specimen is UCMP 8130, a partial skeleton, and it is a 3D body fossil.

It was synonymized subjectively with Megalonyx jeffersonii by Kurten and Anderson (1980) and Hutchison (1987).

Synonymy list
YearName and author
1905Megalonyx sierrensis Sinclair
1930Megalonyx sierrensis Hay p. 410

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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
subclassSynapsida
—Therapsida()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
infraorderPilosaFlower 1883
—Folivora
classEufolivoraDelsuc et al. 2001
superfamilyMegatherioideaGray 1821
familyMegalonychidaeGervais 1855
subfamilyMegalonychinaeTrouessart 1904
genusMegalonyxHarlan 1825
speciessierrensis

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.

†Megalonyx sierrensis Sinclair 1905 [sloth]
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Diagnosis
No diagnoses are available