Connect with us

Blog

Examples of Hemichordata | Free Biology Notes

Published

6 months ago

on

Examples of Hemichordata

After reading this article you will learn about Examples of Hemichordata

Examples of Hemichordata

Balanoglossus

  • Commonly known as acorn worm or tongue worms
  • Solitary and burrowing worm-like marine animal
  • The body of Balanoglossus is soft, elongated, cylindrical and covered with mucus
  • Length of animal varies from 2 cm to 2.5 meters
  • The body is un-segmented and divided into three regions:- Proboscis, Collar and Trunk
  • Alimentary canal straight; mouth and anus at opposite ends.
  • Sexes separate and Development with or without tornaria larva.

Cephalodiscus

  • Sedentary and colonial marine animal
  • Body divided into three regions:- Proboscis, Collar and Trunk
  • Tentacles aris­ing from collar
  • Sexes are hermaphrodite and development is direct
Related Topics:

Trending