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Scleromys
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), Kramarz (2006).
It was assigned to Echinomyidae by Ameghino (1891); to Dasyproctidae by McKenna and Bell (1997); and to Dinomyidae by Fields (1957), Kramarz (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Scleromys Ameghino |
| 1891 | Scleromys Ameghino p. 15 |
| 1957 | Scleromys Fields |
| 1997 | Scleromys McKenna and Bell |
| 2006 | Scleromys Kramarz p. 56 |
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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
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| P4 diameter | 4 | 3.37 | 3.20 | 3.50 | 3.40 | 0.126 | |
| M1 diameter | 4 | 3.36 | 3.00 | 3.70 | 3.40 | 0.330 | |
| M2 diameter | 4 | 3.42 | 3.30 | 3.70 | 3.35 | 0.189 | |
| M3 diameter | 4 | 3.37 | 3.20 | 3.50 | 3.40 | 0.126 | |
| Astragalus diameter | 2 | 5.49 | 5.20 | 5.80 | 5.50 | 0.424 | |
| Calcaneum diameter | 4 | 5.00 | 4.00 | 6.40 | 4.95 | 1.01 | |
| Depth of rostrum at zygomatic root height | 2 | 20.6 | 19.4 | 21.8 | 20.6 | 1.70 | |
| Depth, floor basisphenoid to dorsum height | 1 | 16.4 | - | - | - | - | |
| Depth, floor of basisphenoid to dorsum height | 1 | 11.3 | - | - | - | - | |
| Femur Neck diameter | 2 | 3.62 | 3.20 | 4.10 | 3.65 | 0.636 | |
| Femur head diameter | 1 | 5.40 | - | - | - | - | |
| Femur neck diameter | 2 | 2.92 | 2.50 | 3.40 | 2.95 | 0.636 | |
| Femur shaft diameter | 6 | 7.82 | 5.80 | 9.50 | 7.70 | 1.36 | |
| Femur shaft at lesser trochanter diameter | 2 | 5.05 | 4.90 | 5.20 | 5.05 | 0.212 | |
| Glenoid fossa diameter | 2 | 5.12 | 4.30 | 6.10 | 5.20 | 1.27 | |
| I diameter | 4 | 3.09 | 2.20 | 4.20 | 3.25 | 1.07 | |
| Infraorbital foramen height | 1 | 9.40 | - | - | - | - | |
| Mandible height | 3 | 10.1 | 7.60 | 14.7 | 9.10 | 3.74 | |
| Scapula neck diameter | 2 | 3.46 | 2.40 | 5.00 | 3.70 | 1.84 | |
| Tibia diameter | 6 | 7.35 | 6.80 | 7.80 | 7.45 | 0.459 |
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| Source: s = species, f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Walton 1997, Nowak 1991, Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Ji et al. 2002 | |||||
Age range: base of the Burdigalian to the top of the Laventan or 20.45000 to 11.00000 Ma
Collections (49 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Colhuehuapian | Peru | S. sp. (176149) | |
| Colhuehuapian - Santacrucian | Argentina (Santa Cruz) | S. quadrangulatus (176628) | |
| Burdigalian | Argentina (Santa Cruz) | S. osbornianus, S. quadrangulatus (59133) S. quadrangulatus (59319 59320 59321 59322 59323 59325) | |
| Burdigalian | Chile (Aisén) | S. sp., S. quadrangulatus (71843) | |
| Burdigalian - Langhian | Peru (Cuzco) | S. sp. (144513) | |
| Santacrucian | Peru (Cusco) | S. quadrangulatus (145126) | |
| Santacrucian | Argentina (Mendoza) | S. sp. (176472) | |
| Santacrucian | Argentina (Santa Cruz) | S. angustus (176593) S. osbornianus (59324 59333 59334) S. sp. (176571 210154 210637 210638 210786 210787) | |
| Santacrucian | Argentina (San Juan) | S. sp. nov.? (197899) | |
| Serravallian | Peru (San Martin) | S. sp. (230802) | |
| Laventan | Colombia (Tolima) | S. schurmanni, S. colombianus (133780) S. sp. (132559 132580) | |
| Laventan | Peru (Ucayali) | S. schurmanni (144794) | |
| Laventan | Peru | S. schurmanni (107992) | |
| Laventan | Colombia (Huila Department) | S. schurmanni, S. colombianus (12971) | |
| Laventan | Colombia (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) | |
| Tortonian | Brazil (Acre) | S. colombianus (55602) | |
| Late/Upper Miocene | Brazil | S. colombianus (57989) |