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

Heliscomys

Mammalia - Rodentia - Heliscomyidae

Synonymy list
YearName and author
1873Heliscomys Cope
1902Heliscomys Hay p. 729
1966Heliscomys Johnson p. 80
1991Heliscomys Korth et al. p. 251
1997Heliscomys McKenna and Bell
2007Heliscomys Korth and Branciforte p. 178
2009Heliscomys Kelly p. 68
2022Heliscomys Korth et al.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyGeomyoideaBonaparte 1845
familyHeliscomyidae
genusHeliscomys

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. †Heliscomys Cope 1873
show all | hide all
†Heliscomys gregoryi Wood 1933
†Heliscomys hatcheri Wood 1935
†Heliscomys macdonaldi Korth and Branciforte 2007
†Heliscomys ostranderi Korth et al. 1991
†Heliscomys senex Wood 1935
†Heliscomys vetus Cope 1873
†Heliscomys walshi Kelly 2009
Diagnosis
No diagnoses are available
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: Nowak 1999, Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range: base of the Chadronian to the top of the early Late Arikareean or 37.20000 to 18.50000 Ma

Collections (38 total)


Time interval Ma Country or state Original ID and collection number
Duchesnean39.7 - 37.0Canada (Saskatchewan) H. sp. (16845)
Duchesnean39.7 - 37.0USA (California) H. sp. (16813 17039)
Chadronian37.2 - 33.9USA (Montana) H. ostranderi (16990 17010)
Chadronian37.2 - 33.9USA (Wyoming) H. ostranderi (16960) H. sp. (16961 16963) H. vetus (17009)
Chadronian37.2 - 33.9USA (Nebraska) H. vetus (16930 16941 17014)
Chadronian37.2 - 33.9Canada (Saskatchewan) H. ostranderi (16919 16979)
Chadronian37.2 - 33.9USA (North Dakota) H. vetus (16991)
Late/Upper Chadronian37.2 - 33.9Canada (Saskatchewan) H. hatcheri (16981)
Late/Upper Chadronian - Orellan37.2 - 33.3USA (Nebraska) H. sp., H. hatcheri, H. vetus (230806)
Orellan33.9 - 33.3USA (Wyoming) H. hatcheri, H. vetus (17318)
Orellan33.9 - 33.3USA (Montana) H. gregoryi (17090) H. sp. (17138)
Orellan33.9 - 33.3USA (Nebraska) H. hatcheri (17108 17164 17165 17221) H. hatcheri, H. vetus (17242 17250)
Orellan33.9 - 33.3USA (Colorado) H. vetus (17081)
Orellan33.9 - 33.3USA (South Dakota) H. sp. (17198) H. vetus (17189)
Whitneyan33.3 - 30.8Canada (Saskatchewan) H. sp. (17372)
Whitneyan33.3 - 30.8USA (South Dakota) H. sp. (17338 17371 17384)
Geringian30.8 - 26.3USA (Nebraska) H. sp., H. vetus (17709)
early Early Arikareean29.5 - 18.5USA (California) H. sp. (167846)
early Early Arikareean - early Late Arikareean29.5 - 18.5USA (California) H. sp. (175251)
Chattian28.1 - 23.03USA (Florida) H. sp. (17860)
Hemingfordian20.43 - 15.97Canada (Saskatchewan) H. vetus (18003)