Saturday, 10 November 2012


SPIUNCULUS-1>It is commonly known as PEA-NUT.
2>About 25 cm cm in length
3>The circulatory system is absent.
4>The coelom is large and undivided.
5>The fertilization is external.
6>The larva is trochophore larva.
7>The spiunculus is generally sedentary and feeds upon detritus.

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