Myodes rex Imaizumi 1971

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Cricetidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 955-1189 : 1025

publication ID

https://doi.org/ 10.5281/zenodo.7316535

DOI

https://doi.org/10.5281/zenodo.11357039

persistent identifier

https://treatment.plazi.org/id/E4814050-CC51-56C4-D610-C30D97A35BD3

treatment provided by

Guido

scientific name

Myodes rex Imaizumi 1971
status

 

Myodes rex Imaizumi 1971 View in CoL

Myodes rex Imaizumi 1971 View in CoL , J. Mammal. Soc. Japan, 6: 99.

Type Locality: Japan, Rishiri Isl (off NW coast of Hokkaido), Mt Rishiri, Kanrosen.

Vernacular Names: Hokkaido Red-backed Vole.

Synonyms: Myodes montanus ( Imaizumi 1972) .

Distribution: Hokkaido and small islets of Rishiri and Rebun off NW coast of Hokkaido ( Kaneko et al., 1998:25, 28).

Conservation: IUCN – Lower Risk (nt).

Discussion: Treated as a distinct species ( Abe, 1973 a, b, 1984) until Aimi (1980) included rex in M. rufocanus , an allocation followed by Corbet (1978 c) and Musser and Carleton (1993). Kaneko and Sato (1993), however, presented morphological traits that distinguish the two as species on Rishiri Isl (also Kaneko et al., 1998) and demonstrated their sympatry and habitat affinities. Subsequent evaluation of ribosomal and mitochondrial DNA sequences clearly sustains the specific integrity of M. rex ( Suzuki et al., 1999 b; Wakana et al., 1996). Imaizumi’s (1971) description of M. rex , differential comparisons with M. rufocanus , and records of habitat segregation ( M. rufocanus in open grassy fields, M. rex in coniferous forest) are lucid and thorough.

Imaizumi (1972) described montanus (Hidaka Mtns, Hokkaido) as the other species in his M. rex group. A wealth of morphological ( Abe, 1973 a, b, 1984; Aimi, 1980), chromosomal ( Kashiwabara and Onoyama, 1988; Tsuchiya, 1981), allozymic ( Yoshida et al., 1989), and DNA sequence data ( Suzuki et al., 1999 b; Wakana et al., 1996) represents montanus as another population of M. rex on Hokkaido. Reports of M. rex on Shikotan and Shibotsu Isls in the S Kurils and on Sakhalin Isl (Kostenko and Allenova, 1978) require verification ( Kaneko et al., 1998:25).

Imaizumi (1971, 1972) regarded M. rex to be closely related to M. rufocanus but more primitive in external, cranial, and dental traits. His view is broadly consistent with phylogenetic interpretations of mitochondrial and ribosomal DNA sequences and biogeographic reconstructions of species diversification ( Wakana et al., 1996). At present, M. rex , M. rufocanus and M. rutilus occur on Hokkaido ( Kaneko, 1994; Kaneko et al., 1998; Wakana et al., 1996) .

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Cricetidae

Genus

Myodes

Loc

Myodes rex Imaizumi 1971

Wilson, Don E. & Reeder, DeeAnn 2005
2005
Loc

Myodes rex

Imaizumi 1971: 99
1971
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