Bazsites.com Stelleroidea

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Stelleroidea - They appeared in Ordovician seas more than 450 million years ago...
Ophiuroidea - News and information about brittlestars.
Slime Star - A photograph and brief description of the sea star, Pteraster.
Photos of Serpent Stars - Photos of Ophiuroidea from the Indo-Pacific, with text about habitat, behavior, and characteristics.
Madreporite Nexus - Starfish tales and science by Jonathan Dale.
Natural Perspective: Starfish (Class: Asteroidea) - Photos and a brief description of starfish characteristics.
The Ophiuroidea - A brief introduction to modern and ancient brittle stars by UCMP Berkeley.

Stelleroidea - Stelleroidea is a superclass of marine invertebrates including three classes: