Most of the cuticular spines are groups, each which consists of 2-10 branches, apart from a few numbers which are singles on the head-neck and near the excretory pore, Sensory organs could be divided into 4 types.

  • 体棘属混生型,在头颈及排泄孔附近具少数单生棘,余均为丛生棘,每簇由2~10支组成。

  • 互联网摘选 2025-01-20 17:28:26

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