Three jawed pedicellariae occur in________________.

Asteroidea

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Crinoidea

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Echinoidea

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Holothuroidea

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Solution

The correct option is D Echinoidea
A pedicellariae is a small wrench- or claw-shaped appendage with movable jaws, called valves, commonly found on Echinodermata. Mainly in Sea urchin. There are typically three valves that make up the jaw of sea urchin pedicellariae.
So, the correct option is C.

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