在潮下浅滩沙底发现的一种自由生活的海生死骨线虫(线虫纲:死骨线虫科)

E. Berger, W. Urbancik, J. Ott
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引用次数: 11

摘要

topiarius Eubostrichus sp. n.是Stilbonematinae亚科的一个新种,其成员与外共生细菌密切相关。它被记录在维斯塔湾(亚得里亚海北部),它栖息在一个中等分类的,粗糙的潮下沙的间隙空间。新物种比以前描述的物种大得多,比例也不同。单螺旋两栖类相对较小,靠近前端;头侧区有6个唇内感器和6个唇外感器的圆形;头侧的4个感受器被拉长;8个头下刚毛的前圈嵌在两栖动物的后缘;雌性比雄性大,子宫里有多达7个卵。这是对一个非常有趣的属的修订的贡献,该属有许多描述不充分的标本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Eubostrichus topiarius sp. n., a new free-living, marine species of Stilbonematinae (Nematoda : Desmodoridae) from a shallow subtidal sand bottom
Eubostrichus topiarius sp. n. is a new species of the small subfamily Stilbonematinae, whose members are obligatorily associated with ectosymbiotic bacteria. It is recorded from the Bay of Vestar (northern Adriatic Sea) where it inhabits the interstitial space of a moderately sorted, coarse subtidal sand. The new species is much larger than, and of different proportions from the previously described species. The unispiral amphid is comparatively small and close to the anterior end; the cephalic region shows circles of 6 inner and 6 outer labial sensillae; the 4 cephalic sensillae are elongated; the anterior circle of 8 subcephalic setae inserts at the posterior margin of the amphid; the females are larger than the males showing up to 7 eggs in their uterus. This is a contribution to a revision of a very interesting genus to which a number of inadequately described specimens have been assigned.
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