Taxonomy and geographical distribution of Dugesia japonica and D. ryukyuensis in the Far East

Publication Type:Journal Article
Year of Publication:1995
Authors:M. Kawakatsu, Oki, I., Tamura, S.
Journal:Hydrobiologia
Volume:305
Pagination:55-61
ISSN:0018-8158
Abstract:

{Dugesia japonica Ichikawa et Kawakatsu, 1964, is a common and polymorphic species of freshwater planarian distributed widely in the Far East. In 1976 the geographic populations were separated into 2 subspecies (D.j.japonica and D.j. ryukyuensis). The taxonomy of this species is reconsidered once again from the morphological, anatomical, histological, and karyological viewpoints. From the result of these studies, D.j. ryukyuensis is elevated to the rank of species: D. ryukyuensis Kawakatsu, 1976. D. japonica (n = 8}

URL:http://dx.doi.org/10.1007/BF00036363
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