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Metaxytherium crataegense

Mammalia - Sirenia - Dugongidae

Taxonomy
Hesperosiren crataegensis was named by Simpson (1932). Its type specimen is AMNH 26838, a partial skeleton, and it is a 3D body fossil. Its type locality is Florindin Company Mine, which is in a Hemingfordian/Barstovian marine horizon in the Torreya Formation of Florida.

It was corrected as Hesperosiren crataegense by Simpson (1932); it was recombined as Metaxytherium crataegense by Aranda-Manteca et al. (1994), Domning (1996), Domning (2008), Hastings and Dooley (2017) and Domning (2018).

Sister species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1932Hesperosiren crataegensis Simpson p. 192 figs. Fig. 1-10
1932Hesperosiren crataegense Simpson p. 426
1932Hesperosiren crataegensis Simpson p. 427 figs. Fig. 1-10
1952Hesperosiren crataegensis Sherman p. 98
1966Metaxytherium calvertense Kellogg p. 71 figs. Figs. 32-37
1974Metaxytherium calvertense Fondi and Pacini p. 45
1976Metaxytherium calvertense Reinhart p. 220
1985Metaxytherium calvertense de Muizon and Domning
1994Metaxytherium crataegense Aranda-Manteca et al. p. 192
1994Metaxytherium calvertense Domning p. 189
1996Metaxytherium crataegense Domning p. 386
2008Metaxytherium crataegense Domning
2017Metaxytherium crataegense Hastings and Dooley p. 83
2018Metaxytherium crataegense Domning p. 246

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
AfrotheriaStanhope et al. 1998
Tethytheria
orderSirenia()
familyDugongidae
genusMetaxytherium
speciescrataegense()

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