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Tsaphanomys

Osteichthyes - Rodentia - Cricetidae

Taxonomy
Tsaphanomys was named by Martin and Zakrzewski (2019). Its type is Paronychomys shotwelli.

It was assigned to Neotomina by Martin and Zakrzewski (2019), Martin et al. (2023).

Species
T. shotwelli
Entered
by J. Marcot on 2026-06-01; modified by J. Marcot on 2026-06-01

Synonymy list
YearName and author
2019Tsaphanomys Martin and Zakrzewski p. 1569
2023Tsaphanomys Martin et al. p. 750

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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()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentia
familyCricetidaeFischer von Waldheim 1817
subfamilyNeotominaeMerriam 1894
tribeNeotomini
subtribeNeotominaMerriam 1894
genusTsaphanomys

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.

G. †Tsaphanomys Martin and Zakrzewski 2019
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†Tsaphanomys shotwelli Korth 2011
Diagnosis
ReferenceDiagnosis
R. A. Martin and R. J. Zakrzewski 2019Molars terraced and significantly smaller than in extant species of Neotoma; molars incipiently lophodont after light wear; mesolophules and mesolophids absent in adult molars; hypoflexid and entoflexid opposite on m1; hypoflexid wide and horizontal on m1; wide dentine channel connects protoconid and entoconid and hypoconid and posterolophid on m1 after light wear; M1 mesodont (Table 3); paraflexus and hypoflexus opposite on M1; anterolabial cingulum on M2 rela- tively unreduced; M1 with three roots.
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: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Ji et al. 2002

Age range: Hemphillian or 9.40000 to 4.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Hemphillian9.4 - 4.7USA (Oregon) Peromyscus pliocenicus (18936 18944)