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Ptilodus gnomus

Mammalia - Multituberculata - Ptilodontidae

Taxonomy
Ptilodus gnomus was named by Scott et al. (2002). Its type specimen is UALVP 45145, a tooth (isolated right P4), and it is not a trace fossil. Its type locality is Cochrane 2, which is in a Ti1 fluvial-lacustrine siltstone in the Paskapoo Formation of Canada.

Synonymy list
YearName and author
2002Ptilodus gnomus Scott et al. p. 692

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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
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
superfamilyPtilodontoidea()
familyPtilodontidaeCope 1887
genusPtilodus
speciesgnomus

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.

†Ptilodus gnomus Scott et al. 2002
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Diagnosis
No diagnoses are available
Measurements
partNmeans.d.
p4 height142.060.060

Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealg
Diet: herbivoreg
Created: 2005-09-01 17:43:33
Modified: 2005-09-01 19:43:33
Source: g = genus, c = class, subp = subphylum
References: Carroll 1988, Krause 1982, Hendy et al. 2009, Jenkins and Krause 1983, Hopson 1973

Age range: base of the Tiffanian to the top of the To2 or 61.70000 to 60.90000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
To263.8 - 60.9Canada (Alberta) Ptilodus gnomus (14894)
Ti161.7 - 56.8Canada (Alberta) Ptilodus gnomus (type locality: 14939)
Tiffanian61.7 - 56.8USA (Wyoming) Ectypodus hazeni (14989)