Multiple choice

Which of the following options is an echinoderm?

  1. Chiton

  2. Balanoglossus

  3. Antedon

  4. Scoliodon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Among these, Antedon is an echinoderm.Antedon is a genus of free-swimming, stemless crinoids. The genus first appeared in the fossil record in the Cretaceous period.

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