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Echinodermata
Taxonomy & Anatomy
12
Biology
Undergraduate 4
12/03/2013

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Cards

Term
C. Crinoidea
Definition
Feather stars and sea lilies
Term
C. Asteroidea
Definition
Sea stars
Term
C. Ophiuroidea
Definition
Brittle stars
Term
C. Echinoidea
Definition
Sea urchins, sand dollars
Term
C. Holothuroidea
Definition
Sea cucumbers
Term
Cuvierian tubules
Definition
Clusters of fine tubes located at the base of the respiratory tree of sea cukes; discharged through anus when stressed; lengthen in seawater & get sticky when contact with something
Term
Pedicellariae
Definition
Small wrench or claw-shaped structure; poorly understood; thought to keep body clear of algae, encrusting stuff, and debris; maybe food capture
Term
Crinoid larva
Definition
Doliolaria
Term
Ophiuroid larva
Definition
Ophiopluteus
Term
Asteroidea larva
Definition
Bipinnaria (early) and brachiolaria (late)
Term
Holothuroidea larva
Definition
Aricularia
Term
Echinoidea larva
Definition
Echinopluteus
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