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・ Polychronis Lembesis
・ Polychronis Tzortzakis
・ Polychronis Vezyridis
・ Polychrono
・ Polychrotidae
・ Polychrus
・ Polychrus gutturosus
・ Polychrysia
・ Polychrysia aurata
・ Polychrysia moneta
・ Polychrysia morigera
・ Polychrysia splendida
・ Polychrysum
・ Polycide
・ Polycladida
Polycladus
・ Polyclaeis
・ Polyclaeis maculatus
・ Polyclathra
・ Polycles
・ Polycles (155 BC)
・ Polycles (370 BCE)
・ Polycles of Cyrene
・ Polyclinella
・ Polyclinic (disambiguation)
・ Polyclinic Hospital
・ Polyclinic Medical Center
・ Polyclinics in England
・ Polyclinidae
・ Polyclinum


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Polycladus : ウィキペディア英語版
Polycladus

''Polycladus'' is a genus of land planarians from South America, currently comprising a single species, ''Polycladus gayi''.
== Description ==
''Polycladus'' is a very understudied genus of land planarians. It was defined as land planarians with a wide, flat and leaf-like body, having the entire ventral surface ciliated and with mouth and gonopore posteriorly shifted in relation to other land planarians. The copulatory apparatus has a well-developed permanent penis and the female canal enters the genital antrum ventrally.〔Ogren, R. E. and Kawakatsu, M. (1990). ''Index to the specis of the family Geoplanidae (Turbellaria, Tricladida, Terricola) Part I: Geoplaninae.'' Bulletin of Fujis Women's College. 29: 79-166.〕 This definition, however, is incomplete regarding all anatomical structures currently considered in the definition of planarian genera.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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