The flashcards below were created by user
crimsonblaze
on FreezingBlue Flashcards.
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Enchinodermata Classes
- Asteroidea - starfish
- Echinoidea - sea urchin, sand dollar
- Holothuroidea - sea cucumber
- Ophiuroidea - brittle star
- Crinoidea - sea lily, feather stars
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Madreporite (aka sieve plate)
where water enters WVS
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Endoskeleton
composed of calcareous plates covered epithilium
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Spines
white and calcareous
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Pedicellariae
- small muscular outgrowths that terminate in calcareous pincers
- remove debris and parasites from surface
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