Phylum Nematoda

同根派生

Any of several worms of the phylum Nematoda, having unsegmented, cylindrical bodies, often narrowing at each end, and including parasitic forms such as the hookworm and pinworm.
线虫线虫纲动物的任何一种小虫，身体不分节，呈柱状，两头稍尖，包括钩虫和蛲虫一样的寄生虫
Any of several worms of the phylum Nematoda,having unsegmented,cylindrical bodies,often narrowing at each end,and including parasitic forms such as the hookworm and pinworm.
线虫线虫纲动物的任何一种小虫，身体不分节，呈柱状，两头稍尖，包括钩虫和蛲虫一样的寄生虫。
Small-middle size soil animals belong to 5 phylum,6 class,9 order,7 famility. The dominant groups is Nematoda.
中小型土壤动物5 门6 纲9 目7 科,优势类群为线虫。
The mollusc phylum includes all soft-bodied animals without backbones.
软体动物门包括所有无脊椎的软体动物。
Any of more than 15,000 named and many more unnamed species of worms in the class Nematoda (phylum Aschelminthes).
袋形动物门线虫纲超过15,000种已命名和许多未命名蠕虫的通称。