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Jaywilsonomys ojinagaensis

Osteichthyes - Rodentia - Cylindrodontidae

Taxonomy
Jaywilsonomys ojinagaensis was named by Ferrusquia-Villafranca and Wood (1969) [genotype]. Its type locality is Rancho Gaitan, which is in a Chadronian terrestrial horizon in the Preitos Formation of Mexico. It is the type species of Jaywilsonomys.

Entered
by J. Alroy on 2003-01-23

Synonymy list
YearName and author
1969Jaywilsonomys ojinagaensis Ferrusquia-Villafranca and Wood
1974Jaywilsonomys ojinagaensis Wood p. 57 figs. Figs.23,24A-B

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
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
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentia
familyCylindrodontidaeMiller and Gidley 1918
genusJaywilsonomys
speciesojinagaensis

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.

Jaywilsonomys ojinagaensis Ferrusquia-Villafranca and Wood 1969
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Diagnosis
ReferenceDiagnosis
A. E. Wood 1974“Large species; diagonal nature of proto- cone-hypocone crest very prominent; lingual height of crown of unworn upper teeth about three times buccal height; arm from protoconid toward metaconid very prominent on molars, even when unworn; trigonid basin of P4 opens anteriorly; crestlet from ectolophid of P4 reaching toward a posterior crestlet from the metaconid, in addition to a metalophid; measurements as given in Tables [lO-12].
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Nowak 1999, Lillegraven 1979, Hendy et al. 2009, Carroll 1988

Age range: Chadronian or 37.00000 to 33.90000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.0 - 33.9Mexico (Chihuahua) Jaywilsonomys ojinagaensis (type locality: 17015)
Chadronian37.0 - 33.9USA (New Mexico) Jaywilsonomys ojinagaensis (17032)