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Scleromys

Mammalia - Rodentia - Dinomyidae

Taxonomy
Scleromys was named by Ameghino (1887). It is not extant. Its type is Scleromys angustus.

It was assigned to Echinomyidae by Ameghino (1891); to Dasyproctidae by McKenna and Bell (1997); and to Dinomyidae by Fields (1957) and Kramarz (2006).

Synonymy list
YearName and author
1887Scleromys Ameghino
1891Scleromys Ameghino p. 15
1957Scleromys Fields
1997Scleromys McKenna and Bell
2006Scleromys Kramarz p. 56

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
superfamilyChinchilloideaBennett 1833
familyDinomyidaePeters 1873
genusScleromysAmeghino 1887

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. †Scleromys Ameghino 1887
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†Scleromys angustus Ameghino 1887
†Scleromys colombianus Fields 1957
†Scleromys osbornianus Ameghino 1894
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Invalid names: Neoreomys insulatus Ameghino 1889 [synonym]
†Scleromys quadrangulatus Kramarz 2006
†Scleromys schurmanni Stehlin 1940
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
P4 diameter43.373.203.503.400.126
M1 diameter43.363.003.703.400.330
M2 diameter43.423.303.703.350.189
M3 diameter43.373.203.503.400.126
Astragalus diameter25.495.205.805.500.424
Calcaneum diameter45.004.006.404.951.01
Depth of rostrum at zygomatic root height220.619.421.820.61.70
Depth, floor basisphenoid to dorsum height116.4----
Depth, floor of basisphenoid to dorsum height111.3----
Femur Neck diameter23.623.204.103.650.636
Femur head diameter15.40----
Femur neck diameter22.922.503.402.950.636
Femur shaft diameter67.825.809.507.701.36
Femur shaft at lesser trochanter diameter25.054.905.205.050.212
Glenoid fossa diameter25.124.306.105.201.27
I diameter43.092.204.203.251.07
Infraorbital foramen height19.40----
Mandible height310.17.6014.79.103.74
Scapula neck diameter23.462.405.003.701.84
Tibia diameter67.356.807.807.450.459

Composition: phosphaticsubp
Maximum body mass: 3.5 kgs
Minimum body mass: 1 kgs
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Diet 2: folivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:32:01
Source: s = species, f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979, Nowak 1991, Walton 1997

Age range: base of the Burdigalian to the top of the Laventan or 20.44000 to 11.00000 Ma

Collections (49 total)


Time interval Ma Country or state Original ID and collection number
Colhuehuapian21.0 - 17.5Peru S. sp. (176149)
Colhuehuapian - Santacrucian21.0 - 16.3Argentina (Santa Cruz) S. quadrangulatus (176628)
Burdigalian20.44 - 15.97Argentina (Santa Cruz) S. osbornianus, S. quadrangulatus (59133) S. quadrangulatus (59319 59320 59321 59322 59323 59325)
Burdigalian20.44 - 15.97Chile (Aisén) S. sp., S. quadrangulatus (71843)
Burdigalian - Langhian20.44 - 13.82Peru (Cuzco) S. sp. (144513)
Santacrucian17.5 - 16.3Argentina (San Juan) S. sp. nov.? (197899)
Santacrucian17.5 - 16.3Argentina (Mendoza) S. sp. (176472)
Santacrucian17.5 - 16.3Peru (Cusco) S. quadrangulatus (145126)
Santacrucian17.5 - 16.3Argentina (Santa Cruz) S. angustus (176593) S. osbornianus (59324 59333 59334) S. sp. (176571 210154 210637 210638 210786 210787)
Serravallian13.82 - 11.62Peru (San Martin) S. sp. (230802)
Laventan13.8 - 11.0Colombia (Tolima) S. schurmanni, S. colombianus (133780) S. sp. (132559 132580)
Laventan13.8 - 11.0Peru S. schurmanni (107992)
Laventan13.8 - 11.0Colombia (Huila) S. colombianus (133692 136233 187116) S. schurmanni (135348 143790 187122 187718) S. schurmanni, S. colombianus (133648 133689 134806 136211 145175 187078 187114 195256) S. sp. (133441)
Laventan13.8 - 11.0Colombia (Huila Department) S. schurmanni, S. colombianus (12971)
Laventan13.8 - 11.0Peru (Ucayali) S. schurmanni (144794)
Tortonian11.62 - 7.246Brazil (Acre) S. colombianus (55602)
Late/Upper Miocene11.608 - 5.333Brazil S. colombianus (57989)