Sipuncula (Peanut Worms)

Phylum Sipuncula (Peanut Worms)

Wikipedia Entry

Approximate Number of Species: 320

Largest:  Sipunculus indicus at a length of  15.75 inches (400 mm)

Smallest:  Phascolion psammophilus at a length of  0.0787 inches (2 mm)

References:

Cutler EB (1994) The Sipuncula, Their Systematics, Biology, and Evolution (Cornell University Press) p 480.

Brusca RC & Brusca GJ (2003) Invertebrates (Sinauer Associates, Inc., Publishers, Sunderland, MA) 2nd Ed.

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