HOME --> CLASS MAMMALIA
--> ORDER RODENTIA
--> SUBORDER MYOMORPHA
--> SUPERFAMILY Muroidea
--> FAMILY Cricetidae
--> SUBFAMILY Sigmodontinae
GENUS Thomasomys
Author: | Coues, 1884. | Citation: | Am. Nat., 18: 1275. | Type Species: | Hesperomys cinereus Thomas, 1882. | Comments: | Thomasomyini. A speciose and taxonomically complex genus whose nomenclatural history is intertwined with Aepeomys, Delomys, and Wilfredomys, taxa that have been used as subgenera (e.g., Ellerman, 1941; Cabrera, 1961) or as genera (see their accounts). Comparative anatomical studies involving some Thomasomys include Carleton (1973), Hooper and Musser (1964a), and Voss and Linzey (1981); chromosomal numbers of several species published by Gardner and Patton (1976), Gómez-Laverde et al. (1997), and Aguilera et al. (2000). Based on 6-7 species surveyed, sister genus to Chilomys according to phylogenetic interpretations of mitochondrial DNA sequences (D’Elía et al., 2003; Smith and Patton, 1999). Revisionary studies required to critically overhaul species taxonomy and to place ranking of genus-group taxa in a phylogenetic context. Lacking a current revisionary standard, species recognized here basically follow Cabrera (1961), supplemented by our own museum examinations and subsequent descriptions. |
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