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Question
The pluteus larva of Echinodermata belongs to the class of
The pluteus larva of Echinodermata belongs to the class of
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Solution
The correct option is C Echinoidea
There is a single larval stage in Echinoidea, known as pluteus, which is bilaterally symmetrical. The larva has oval body and long paired ciliated arms that are supported by calcareous skeletal rods. Preoral arm is present but posterolateral arm is absent. The other three arms are anterolateral, postoral and posterodorsal arms. Mouth, anus and gut are well developed. Hence, option C is correct.
There is a single larval stage in Echinoidea, known as pluteus, which is bilaterally symmetrical. The larva has oval body and long paired ciliated arms that are supported by calcareous skeletal rods. Preoral arm is present but posterolateral arm is absent. The other three arms are anterolateral, postoral and posterodorsal arms. Mouth, anus and gut are well developed. Hence, option C is correct.
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