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Loxolophus priscus

Mammalia - Procreodi - Arctocyonidae

Taxonomy
Chriacus priscus was named by Cope (1888). Its type specimen is AMNH 3108, a partial skull (incomplete skull with LP3-M3, RM2-M3, and fragment of lower jaw containing m1-m2), and it is a 3D body fossil.

It was recombined as Protochriacus priscus by Scott (1892), Osborn and Earle (1895), Matthew (1897); it was synonymized subjectively with Loxolophus hyattianus by Van Valen (1978), Middleton (1983); it was recombined as Loxolophus priscus by Hay (1902), Hay (1930), Matthew (1937), Lucas (1984), Williamson and Lucas (1993), Williamson (1996), Eberle and Lillegraven (1998).

Synonymy list
YearName and author
1888Chriacus priscus Cope p. 337
1892Protochriacus priscus Scott p. 296
1895Protochriacus priscus Osborn and Earle
1897Protochriacus priscus Matthew p. 269
1902Loxolophus priscus Hay p. 745
1930Loxolophus priscus Hay p. 460
1937Loxolophus priscus Matthew
1984Loxolophus priscus Lucas
1993Loxolophus priscus Williamson and Lucas
1996Loxolophus priscus Williamson
1998Loxolophus priscus Eberle and Lillegraven

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusLoxolophus
speciespriscus()

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.

†Loxolophus priscus Cope 1888
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 13:54:39
Modified: 2011-04-24 18:06:44
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Archibald 1998, Ji et al. 2002, Hendy et al. 2009

Age range: Puercan or 66.00000 to 63.80000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.8USA (Wyoming) Loxolophus priscus (14720 14797)
Puercan66.0 - 63.8USA (New Mexico) Loxolophus priscus (14662 14795)