Chaetognatha (Arrow Worms)

Phylum Chaetognatha (Arrow Worms)

Wikipedia Entry

Approximate Number of Species: 1oo

Largest: Pseudosagitta gazellae at a length of  4.33 inches (110 mm)

Smallest: Spadella boucheri at a length of  0.43 inches (11 mm)

Pseudosagitta : Photo by Rob Hopcroft

References:

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

E. Thuesen, personal communication

Casanova JP & Perez Y (2000) A dwarf Spadella (Chaetognatha) from Bora Bay (Miyako Island, Japan). Cahiers de Biologie Marine 41:137-141.

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