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Paracimexomys propriscus

Mammalia - Multituberculata

Taxonomy
Paracimexomys propriscus was named by Hunter et al. (2010). Its type specimen is MOR 2530, a tooth (LM1), and it is a 3D body fossil. Its type locality is Shell Hell (MOR Loc. 703), which is in an Edmontonian fluvial mudstone in the St. Mary River Formation of Montana.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2010Paracimexomys propriscus Hunter et al. p. 888 fig. 5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
genusParacimexomys
speciespropriscus

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.

Paracimexomys propriscus Hunter et al. 2010
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Diagnosis
ReferenceDiagnosis
J. P. Hunter et al. 2010M1 cusp formula of 4:4:1, lower than in other species of Paracimexomys and cf. Paracimexomys, except cf. P. robisoni; differs from cf. P. robisoni in m2 being nearly as long as m1 rather than 80% the length of m1; differs further from P. priscus in smaller size at all known tooth positions, less pronounced molar waisting, lack of a second cusp along the internal cusp row M1, and slightly smaller posterior cusps in the M1 external row; differs further from P. magister in smaller size at known tooth positions and in possessing only four cusps in the external rows of both M1 and m1.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealo
Diet: herbivoreo
Created: 2005-09-01 17:42:57
Modified: 2005-09-01 19:42:57
Source: o = order, c = class, subp = subphylum
References: Hopson 1973, Jenkins and Krause 1983, Carroll 1988, Hendy et al. 2009

Age range: Edmontonian or 70.60000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Edmontonian70.6 - 66.0USA (Montana) Paracimexomys propriscus (type locality: 96603)