PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Schizodontomys

Mammalia - Rodentia - Heteromyidae

Taxonomy

Schizodontomys was named by Rensberger (1973). It is not extant. Its type is Schizodontomys greeni.

It was assigned to Heteromyidae by Rensberger (1973), Korth (1997).

Species

S. amnicolus, S. bareia, S. greeni (type species), S. harkseni, S. sulcidens

Synonymy list

Year	Name and author
1973	Schizodontomys Rensberger
1997	Schizodontomys Korth

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Euarchontoglires	Murphy et al. 2001
—	Gliriformes	Wyss and Meng 1996
—	Glires	()
—	Simplicidentata	()
order	Rodentia	Bowdich 1821
infraorder	Castorimorpha
superfamily	Geomyoidea	Bonaparte 1845
family	Heteromyidae	Gray 1868
genus	Schizodontomys	Rensberger 1973

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. †Schizodontomys Rensberger 1973

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†Schizodontomys amnicolus Korth et al. 1990

†Schizodontomys bareia Korth and Kron 2020

†Schizodontomys greeni Rensberger 1973

†Schizodontomys harkseni Macdonald 1970

†Schizodontomys sulcidens Rensberger 1973

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingf

Diet:

granivoref

Diet 2:

browserf

Reproduction:

viviparoussubc

Created:

2005-06-08 10:11:09

Modified:

2005-08-26 13:09:37

Source: f = family, subc = subclass, c = class, subp = subphylum

References: Lillegraven 1979, Nowak 1991, Ji et al. 2002, Hendy et al. 2009, Carroll 1988

Age range: base of the Monroecreekian to the top of the Early/Lower Hemingfordian or 24.70000 to 16.30000 Ma

Collections (43 total)

Time interval	Ma	Country or state	Original ID and collection number
early Late Arikareean	29.5 - 18.5	USA (Oregon)	S. sp. (36856)
late Late Arikareean	29.5 - 18.5	USA (Wyoming)	S. harkseni (18010)
late Late Arikareean	29.5 - 18.5	USA (California)	S. sp. (167827 167828 167832 167839 167843 167848 167849 167850 167851 167852 167853 167854 167855 167856)
Monroecreekian	24.7 - 23.1	USA (Nebraska)	S. harkseni (67637)
Monroecreekian	24.7 - 23.1	Canada (Saskatchewan)	Pleurolicus sp. (17526)
Harrisonian	23.1 - 18.5	USA (South Dakota)	Grangerimus harkseni (17825 17829)
Harrisonian	23.1 - 18.5	USA (Oregon)	S. greeni (170308)
Harrisonian	23.1 - 18.5	USA (Nebraska)	S. harkseni (69807)
Harrisonian	23.1 - 18.5	USA (Wyoming)	S. sulcidens (17847)
Early/Lower Hemingfordian	18.5 - 16.3	USA (California)	S. sp. (167844 167845)
Early/Lower Hemingfordian	18.5 - 16.3	USA (Oregon)	S. greeni (17925)
Early/Lower Hemingfordian	18.5 - 16.3	USA (Nebraska)	S. amnicolus (17865 17892 17924 17963 18007 18008 18009 69808 69915)
Hemingfordian	18.5 - 16.3	USA (South Dakota)	S. harkseni (17877 17912 17913 17914)
Hemingfordian	18.5 - 16.3	USA (Wyoming)	S. harkseni (19073 19074 19075)
Late/Upper Hemingfordian	18.5 - 16.3	USA (Nebraska)	S. sp. (17889)