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Alphadon halleyi

Mammalia - Alphadontidae

Taxonomy
Alphadon halleyi was named by Sahni (1972) [type is a left m1]. Its type specimen is AMNH 77367, a tooth (m1), and it is not a trace fossil. Its type locality is Clambank Hollow Quarry, which is in a Campanian/Campanian fine channel fill claystone in the Judith River Formation of Montana.

Synonymy list
YearName and author
1972Alphadon halleyi Sahni
1979Alphadon halleyi Clemens p. 193
1986Alphadon halleyi Lillegraven and McKenna p. 30
2001Alphadon halleyi Horner et al. p. 9
2004Alphadon halleyi Kielan-Jaworowska et al. pp. 443, 454-455

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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()
RankNameAuthor
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
—Marsupialiformes
familyAlphadontidaeMarshall et al. 1990
genusAlphadon
specieshalleyi

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.

†Alphadon halleyi Sahni 1972
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: omnivoreg
Reproduction: viviparoussubc
Created: 2005-09-07 09:56:57
Modified: 2011-04-27 20:01:30
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Hopson 1973, Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Clemens 1979

Age range: base of the Santonian to the top of the Edmontonian or 85.70000 to 66.00000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Santonian85.7 - 83.6USA (Montana) Alphadon halleyi (181582)
Early/Lower Campanian83.6 - 72.2USA (Utah) Alphadon sahnii (14430)
Judithian83.6 - 72.2USA (Wyoming) Alphadon halleyi (14433 14458 14465 14487) Alphadon sahnii (14479 14480)
Judithian83.6 - 72.2Canada (Alberta) Alphadon halleyi (14451)
Judithian83.6 - 72.2USA (Texas) Alphadon halleyi (14488 14489)
Late/Upper Campanian83.6 - 72.2USA (Utah) Alphadon halleyi (14466 75836)
Middle Campanian83.6 - 72.2USA (Montana) Alphadon halleyi (14453 14482)
Middle Campanian - Late/Upper Campanian83.6 - 72.2USA (Texas) Alphadon halleyi (68001) Alphadon sp. (68006)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Canada (Saskatchewan) Alphadon halleyi (14494)
Middle Campanian - Late/Upper Campanian83.6 - 72.2USA (Montana) Alphadon halleyi (type locality: 14446 14450 14459 14461 14468 14470 14491 69161)
Edmontonian72.2 - 66.0USA (New Mexico) Alphadon halleyi (14496)