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Polyprotodontia

Mammalia

Taxonomy
Polyprotodonta was named by Owen (1866). It is extant.

It was reranked as the unranked clade Polyprotodontia by Cope (1889); it was reranked as the suborder Polyprotodontia by Flower and Lydekker (1891), Parker and Haswell (1897), Hay (1902), Lambe (1908), Gregory (1910), Simpson (1928) and Hay (1930); it was synonymized subjectively with Didelphii by Jaekel (1911); it was misspelled as Polyprotodontia by Gadow (1898) and Crochet (1995).

It was assigned to Metatheria by Parker and Haswell (1897); to Metatheria by Gadow (1898); to Marsupialia by Cope (1889), Flower and Lydekker (1891), Hay (1902), Lambe (1908), Gregory (1910), Simpson (1928) and Hay (1930); and to Mammalia by Crochet (1995).

Synonymy list
YearName and author
1866Polyprotodonta Owen
1889Polyprotodontia Cope p. 876
1891Polyprotodontia Flower and Lydekker p. 88
1897Polyprotodontia Parker and Haswell p. 449
1898Polyprotodontia Gadow p. 40
1902Polyprotodontia Hay p. 564
1908Polyprotodontia Lambe
1910Polyprotodontia Gregory p. 464
1928Polyprotodontia Simpson p. 147
1930Polyprotodontia Hay p. 388
1995Polyprotodonta Crochet p. 41

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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
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
—Marsupialiformes
—Marsupialia()
suborderPolyprotodontia(Owen 1866)
suborderPolyprotodontia(Owen 1866)

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.

Subor. Polyprotodontia Owen 1866
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Superfm. Didelphoidae Gray 1821
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Invalid names: Sparassocynus heterotopicus Villarroel and Marshall 1983 [nomen dubium]
Invalid names: Trituberculata [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-09-07 09:16:13
Modified: 2011-04-27 20:22:07
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Clemens 1979, Hopson 1973

Age range

Maximum range based only on fossils: base of the Danian to the top of the Chapadmalalan or 66.00000 to 3.00000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.6Bolivia (Mizque) Didelphoidea indet. (13501)
Rupelian33.9 - 28.1Egypt (Fayum) Polyprotodonta gen. nov. & sp. nov. (60127)
Colhuehuapian21.0 - 17.5Argentina (Chubut) Didelphoidea indet. (141368)
Montehermosan - Chapadmalalan5.0 - 3.0Bolivia (La Paz) Didelphoidea indet., Sparassocynus heterotopicus (70641 142380)