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Metaxytherium riveroi

Mammalia - Sirenia - Dugongidae

Taxonomy
Metaxytherium riveroi was named by Varona (1972). Its type specimen is DPUH 1255, a partial skeleton, and it is a 3D body fossil. Its type locality is San Antonio de Cabezas, which is in a Miocene marine horizon in the Guines Formation of Cuba.

It was synonymized subjectively with Metaxytherium crataegense by Domning (1996).

Sister species lacking formal opinion data
M. subappeninum

Synonymy list
YearName and author
1972Metaxytherium riveroi Varona p. 6
2008Metaxytherium riveroi Domning

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Tethytheria
orderSirenia()
familyDugongidae
subfamilyHalitheriinae()
genusMetaxytherium
speciesriveroi

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.

†Metaxytherium riveroi Varona 1972
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Diagnosis
No diagnoses are available