Berylmys Ellerman 1947

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Muridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1189-1531 : 1296

Berylmys Ellerman 1947

Berylmys Ellerman 1947 , Proc. Zool. Soc. Lond., 1947-1948 (117): 261.

Type Species: Epimys manipulus Thomas 1916

Species and subspecies: 4 species:

Species Berylmys berdmorei (Blyth 1851)

Species Berylmys bowersi ( Anderson 1879)

Species Berylmys mackenziei (Thomas 1916)

Species Berylmys manipulus (Thomas 1916)

Discussion: Rattus Division. Originally proposed as a subgenus of Rattus by Ellerman (1947 b) for B. manipulus and B. berdmorei , but elevated to generic rank in a revision by Musser and Newcomb (1983). They also recorded taxonomic history of names and groups associated with Berylmys , reported past evolutionary histories of species (centered in Indochina), and found that Berylmys was dentally similar to Niviventer , Maxomys , and Leopoldamys , but shared some derived cranial characters with Rattus and that phylogenetic relationships were still unknown. Sperm morphology united Berylmys with Sundamys , Rattus , and Leopoldamys ( Breed and Yong, 1986) , but that union was based on a shared spermatozoal form which is probably primitive. Analyses of microcomplement fixation of albumin ( Watts and Baverstock, 1994 a) and DNA sequences from LINE-1 retrotransposons ( Usdin et al., 1995; Verneau et al., 1997, 1998) placed Berylmus (represented by B. bowersi ) in a Rattus group, as did cladistic analysis of molar traits ( Chaimanee, 1998). Musser and Newcomb (1983) summarized chromosomal information; additional chromosomal data for Vietnam samples reported by Bulatova et al. (1992).