Phylum Echinodermata: Class Crinoidea
Sea lilies are included in class
crinoidea
asteroidea
Holothuroidea
gastropoda
crinoidea
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Feather star is example of:A. crinoidea
B. asteroidea
C. Holothuroidea
D. gastropoda
Ossicles of member of class Crinoidea is called:
A. stalk
B. arms
C. calyx
D. disk
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