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Examples of Hemichordata
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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
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