Cnidaria: Subclass Alcyonaria
Subclass Alcyonaria
Subclass Alcyonaria includes almost universally colonial organisms in which each of the polyps, or hydroid members, has eight feathery tentacles. Most of them produce a skeleton, and many make some contributions to coral reefs. While some are found in temperate seas, they are especially common in subtropical to tropical regions. The organ pipe coral (
Sections in this article:
- Introduction
- Subclass Zoantharia
- Subclass Alcyonaria
- Class Anthozoa
- Class Scyphozoa
- Class Hydrozoa
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