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9 Cards in this Set
- Front
- Back
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Sea Lillies
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Crinoidea
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Sea Stars
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Asteroidea
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Brittle Stars
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Ophiuroidea
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Sea Urchins, sand dollars
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Echinoidea
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Sea Cucumbers
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Holothuroidea
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Calcareous exoskeltal plates
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epidermis that covers the echinoderm.
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Madreporite
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avenue for sea water to enter or leave the system
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Deuterostomes
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mouth
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Ambulacral grooves
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along each "leg" where the tube feet are located
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