The larval development of Chirostylus stellaris Osawa, 2007 (Crustacea: Anomura: Chirostylidae) described from laboratory reared material
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概要
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The complete larval development of the anomuran chirostylid, Chirostylus stellaris Osawa, 2007, is described and illustrated from laboratory-reared material. This species has two zoeal stages and one megalop. The zoeal phase was completed within 48 hours and the megalopl phase lasted approximately three weeks. The setae on the coxal, basial and endopodal segments of the maxillule, maxilla, first maxilliped and second maxilliped were absent in zoeal stages suggesting that they did not feed during this phase. In fact C. stellaris zoeas showed lecithotrophic and abbreviated development. The zoeas of Chirostylus are distinguishable from those of other chirostylid genera such as Gastroptychus, Uroptychus, and Eumunida. However, no significant differences were found among zoeas of three Chirostylus species including C. ortmanni, C. sandyi and C. stellaris.
著者
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Fujita Yoshihisa
University Education Center University Of The Ryukyus
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Clark Paul
Department Of Zoology The Natural History Museum
関連論文
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