首页> 外文期刊>Polar biology >Rhinoglena kutikovae n.sp. (Rotifera: Monogononta: Epiphanidae) from the Bunger Hills, East Antarctica: a probable relict species that survived Quaternary glaciations on the continent
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Rhinoglena kutikovae n.sp. (Rotifera: Monogononta: Epiphanidae) from the Bunger Hills, East Antarctica: a probable relict species that survived Quaternary glaciations on the continent

机译:Rhinoglena kutikovae n.sp.南极东部邦格山的轮虫(轮虫:单性腺:Epiphanidae):一种可能的遗留物种,在该大陆的第四纪冰川中幸存下来

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摘要

A new species of rotifer, Rhinoglena kutikovae n.sp. (Monogononta: Epiphanidae), is described from a freshwater lake in the Bunger Hills, East Antarctica. The new taxon is characterized by the following combination of characters: body conical to vase-shaped; a single toe; distal foot pseudosegment bulged; tail prominent, semi-circular; two small spherical pedal glands with common duct, forming a complex with caudal ganglion; trophi with seven major teeth with offset head and two smaller teeth without offset head. The new species is compared with R. fertoeen-sis, R. frontalis and R. tokioensis, of which scanning electron microscopic information is presented of the trophi. R. kutikovae n.sp. is probably a relict species that survived Quaternary glaciations in glacial lacustrine refugia on the Antarctic continent.
机译:轮虫的一种新种,Rhinoglena kutikovae n.sp.。 (Monogononta:Epiphanidae),是从南极东部邦格山的一个淡水湖中描述的。新分类单元的特征在于以下特征的组合:圆锥形到花瓶形的主体;一个脚趾;足远端假段膨出;尾巴突出,半圆形;两个带有共同导管的小球形踏板腺体,与尾神经节形成复合体;奖杯,有七个带偏置头的大齿和两个较小的不带偏置头的齿。将该新物种与R. fertoeen-sis,R。frontalis和R. tokioensis进行了比较,其中提供了奖杯的扫描电子显微镜信息。库蒂科娃(R. kutikovae)可能是在南极大陆的湖相湖的第四纪冰川中幸存的遗迹物种。

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