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Crinoidea
See also:
- Comactinia echinoptera - - Exercise from Invertebrate Anatomy OnLine covering the systematics and external anatomy of this feather star.
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- Crinoid Creatures - - Spectacular photographs and a brief article about modern crinoids.
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- Crinoidea - - Extensive article about modern and ancient crinoids by William I. Ausich and Charles G. Messing for the Tree of Life project.
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