A) Neopilina
B) Chiton
C) Pila
D) all of these
Correct Answer: D
Solution :
Trochophore is cilliated, larval stage of polychaetes, molluscs and rotifers. Neopliliua, chiton and Pila belongs to Phylum?Molluscan. Molluscan development is either director with metamorphosis through the trochosphore stage.
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