A) Leucosolenia
B) Dentalium
C) Dugesia
D) Ophiothrix
Correct Answer: D
Solution :
Deuterostomes are those animals in which, the mouth never develops from the blastopore, although the blastopore gives rise to anus. eg, Echinodermata, Chordata. Ophiothrix is an echinodermate.
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