Studies on Japanese Botryllid Ascidians. II. A New Species of the Genus Botryllus from the Vicinity of Shimoda
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概要
- 論文の詳細を見る
Morphology and life history of a new species of the genus Botryllus belonging to the family Botryllidae were described in detail. This ascidian was collected from the stony shore in the vicinity of Shimoda (Shizuoka prefecture, Japan). The arrangement of ovary and testis in this ascidian was the same as that in other species of the genus Botryllus, while the embryo developed in a brood pouch formed from the invagination of peribranchial epithelium, as in the other genus Botrylloides. The processes and features of the allorecognition reaction of this ascidian were observed. The reaction showed the same processes as that in the species of the genus Botrylloides. Therefore, this ascidian has both features of the two genera of the family Botryllidae, which strongly suggests the necessity of reconsidering on the classificatory criteria of botryllid ascidians.
- 社団法人日本動物学会の論文
- 2002-07-25
著者
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Okuyama Makiko
Shimoda Marine Research Center University Of Tsukuba
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Okuyama Makiko
Shimoda Marine Research Center University Of Tsukuba:(present Address)seto Marine Biological Laborat
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Saito Yasunori
Shimoda Marine Research Center University Of Tsukuba
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Saito Yasunori
Shimoda Marine Research Center Univ. Of Tsukuba
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