In which class of echinodermata stalk is...

In which class of echinodermata stalk is found for attachement with substratum

A

Asteroidea

B

Echinoidea

C

Ophiuroidea

D

Crinoidea

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The correct Answer is:

D

Class crinoidea have body which as central disc which is attached to the substratum called calyx. Ex: Antedon (feather star sea lily).

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