Nereis General Characteristics
After reading this article you will learn about Nereis General Characteristics
General Characteristics of Nereis
- Commonly called clam worm or sand worm
- The animal body is long, narrow and cylindrical
- Every segment has leaf like appendages called parapodia
- First segment have sensory organs like pair of eye, tentacles and palps
- Anal segment have anal cirri
- Nereis is unisexual and its reproductive phase is called Heteronereis
- Fertilization occurs in sea water
- During development, a trochophore larva is present
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