Taxonavigation
| Taxonavigation: Muroidea |
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Superregnum: Eukaryota |
Familia: Cricetidae
Subfamilia: Sigmodontinae
Tribus: Phyllotini
Genus: Calomys
Species: Calomys tocantinsi
Name
Type locality: Brazil, Tocantins, Formoso do Araguala, Rancho Beira Rio, 33 km SW, 11º47'S, 49º45'W
Holotype: José Fernando de Sousa Lima leg.. male. MN62733.