HOME --> CLASS MAMMALIA
--> ORDER RODENTIA
--> SUBORDER HYSTRICOMORPHA
--> INFRAORDER HYSTRICOGNATHI
--> FAMILY Echimyidae
--> SUBFAMILY Eumysopinae
--> GENUS Mesomys
SPECIES Mesomys occultus
Author: | Patton, da Silva, and Malcolm, 2000. | Citation: | Bull. Am. Mus. Nat Hist., 244: 194. | Common Name: | Tufted-tailed Spiny Tree-rat | Type Locality: | Brazil, Amazonas, Colocação Vira-Volta, left bank Rio Juruá on Igarape Arabidi, affluent of Paraná Breu. | Distribution: | Central Amazon of Brazil. | Comments: | Although similar to and sympatric with hispidus the two can be differentiated by morphology, karyotype and cytochrome b sequences (Patton et al., 2000). It is not clear at this time whether ecaudatus should be included in hispidus or is a senior synonym of occultus. Karyotype has 2n=42 and FN=54. |
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