guide to the marine zooplankton of south eastern Australia
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The anatomy of a trochophore larvae
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Image Key > Annelida > Trochophora

Trochophora
Marine Larva  
   
Size
  • Up to 0.5 mm.
Description
  • Typical larva of polychaetous annelids.
Distinguishing characteristics
  • Ciliary band called the prototroch.
  • Circumferential band of cilia called the metatroch (posteriorly borders mouth region).
  • Ciliated region between the two bands is called the food groove.
Distribution
  • Temperate.
Ecology
  • Prototroch is used for locomotion and feeding.
 

 
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Version 1.0: June 2008 | http://www.tafi.org.au/zooplankton/ | Photographs © Anita Slotwinski (unless otherwise specified)
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