Trochophore is the larva of
Neopilina
Chiton
Pila
All of these
D.
All of these
Trochophore is cilliated, larval stage of polychaetes, mollsucs and rotifers. Neopilina, Chiton and Pila belong to phylum--Mollusca. Molluscan development is either direct or with metamorphosis through the trochophore stage.