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首页> 外文期刊>Zoological Science >'Facelinella quadrilineata (Baba, 1930)', a pair of cryptic species ofFacelina from Japan
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'Facelinella quadrilineata (Baba, 1930)', a pair of cryptic species ofFacelina from Japan

机译：一对日本产的Facelina隐性物种“ Facelinella quadrilineata（Baba，1930）”

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摘要

One of the two colour variations in Facelinella quadrilineata (Baba, 1930) is found to be an undescribed species, which has been commonly collected from the Pacific coast of Bose Peninsula, central Japan. Although both species are similar enough morphologically to be considered cryptic species, there is a marked difference in the penial structure. The new species possesses an ejaculatory penis, while Facelinella quadrilineata does not. Considering close affinity between the two species and the reasons for separating the two genera of Facelinella and Facelina, invalidity of Facelinella becomes obvious and it is proposed to merge Facelinella into Facelina. The new species is herein described and illustrated as Facelina bilineata and compared with Facelina quadrilineata comb, nov.
机译：Facelinella quadrilineata（巴巴，1930年）的两种颜色变化之一是一种未描述的物种，通常从日本中部玻色半岛的太平洋海岸采集。尽管两种物种在形态上都足够相似，可以认为是隐性物种，但在阴茎结构上却存在明显差异。新物种拥有射精的阴茎，而Facelinella quadrilineata没有。考虑到两个物种之间的亲密亲缘关系以及将Facelinella和Facelina的两个属分开的原因，Facelinella的无效性变得很明显，因此建议将Facelinella合并为Facelina。该新物种在本文中以Facelina bilineata进行描述和说明，并与Nov.

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