Microtus lusitanicus (Gerbe, 1879) . Rev. Mag. Zool. Paris, Ser. 3, 7:44.

TYPE LOCALITY: Portugal .

DISTRIBUTION: Portugal, NW Spain, and SW France (see Niethammer, 1982/).

SYNONYMS: depressus, gerritmilleri, hurdanensis, marine, pelandonius, planiceps .

COMMENTS: Subgenus Terricola, duodecimcostatus species group sensu Chaline et al. (1988) . Spitz (1978) provided craniometric analyses in context of contrasting M. lusitanicus with M. duodecimcostatus and M. gerbei . Reviewed by Niethammer (1982;) and Corbet (1984); chromosomal data reviewed by Zima and Krâl (1984a). Both Graf (1982) and Chaline and Graf (1988) apparently used mariae for this species, which reflects Winking's (1976) usage in separating the latter from M. duodecimcostatus; however, the proper name is lusitanicus (Niethammer (1982;).