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Echinodermata
invert zoology
7
Biology
Undergraduate 3
09/10/2014

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Term
P- Echinodermata
Definition

Marine, adults pentaradially symmetric, unique anus, vascular system, deuterostomes, larvae dilaterally symmetric

- blastula - gastrula - bipinnaria larva (Asteroidea) - Pluteus larva (Echinoidea)

Term
C- Echinoidea
Definition

P- Echinodermata

sand dollars, sea urchins, sea biscuits

Term
Aristotle's Teeth
Definition

P- Echinodermata

C- Echinoidea

Term
Mellita quinquiesperforata
Definition

Sand dollar

P- Echinodermata

C- Echinoidea

Term
C- Asteroidea
Definition

"Sea Stars"

P- Echinodermata

C- Echinoidea

Asterias forbesi

-ID podia, eyespots, suckers, papulae, pedicellariae, disc, oral/aboral side, madreporite, mouth, ambulacral grooves, spines

Term
C- Ophiuroidea
Definition

P- Echinodermata

"Brittle stars"

slender arms attached to central disk

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