Taxonomic Study of the Kinorhyncha in Japan. III. Echinoderes sensibilis n. sp. (Kinorhyncha: Cyclorhagida) from Tanabe Bay
Taxonomic Study of the Kinorhyncha in Japan. III. Echinoderes sensibilis n. sp. (Kinorhyncha: Cyclorhagida) from Tanabe Bay
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日本动喙动物的分类学研究。
DOI：
10.2108/zsj.19.463
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发表时间：
2002
影响因子：
1.6
通讯作者：
Y. Shirayama
中科院分区：
文献类型：
--
作者：
A. Adrianov;C. Murakami;Y. Shirayama
摘要利用光镜和电子显微镜对棘足纲kinorhynch一新种Echinoderes sensibilis进行了描述和图示。这些标本是从日本本州岛田边湾潮间带池中生长的大量红藻中采集的。敏感肠杆菌的诊断特征包括6-10节段存在中背棘；侧刺/小管在裂片4,7-12；在裂片5-12上的微小角质层毛的显著的四边形状近腹区。许多感觉斑点的位置、大筛区、腺管的位置以及末梢和胸骨延伸的形状也是诊断性的。所有用于此描述的分类特征都通过SEM进行说明。敏感棘皮动物（Echinoderes sensibilis）是棘皮动物属（Echinoderes）的第58个有效种和第14个来自太平洋的物种。这是第三个仅在潮间带发现的太平洋雀属代表，也是第一个以潮间带池中的红藻为食的太平洋棘皮目动物。
Abstract A new species of echinoderid kinorhynch, Echinoderes sensibilis, is described and illustrated using light and electron microscopy. The specimens were collected from masses of the red algae Corallina pilulifera growing in intertidal pools in Tanabe Bay, Honshu Island, Japan. Diagnostic characters of E. sensibilis include the presence of middorsal spines on segments 6–10; lateral spines/tubules on segments 4, 7–12; remarkable trapezium-like subventral fields of minute cuticular hairs on segments 5-12. The positions of numerous sensory spots, large sieve areas, glandular tubes and the shape of terminal tergal and sternal extensions are also diagnostic. All taxonomic characters used for this description are illustrated by SEM. Echinoderes sensibilis constitutes the fifty-eighths valid species of the genus Echinoderes and the fourteenth species described from the Pacific Ocean. This is the third representative of Pacific kinorhynchs found only in the intertidal zone and the first Pacific Echinoderes living on red macroalgae in inter-tidal pools.