The helmet-shaped,ciliated larva of nemerteans is the

Question

Quizplus · Accepted Answer

The helmet-shaped, ciliated larva of nemerteans is called a pilidium. The other answer choices are larval forms of other organisms: 
A) onchosphere - larval stage of certain flatworms
B) Muller - not a larval form, but a term that can refer to a variety of structures in different organisms
D) miracidium - larval stage of parasitic flatworms
E) cercaria - larval stage of trematode parasites.

The Helmet-Shaped,ciliated Larva of Nemerteans Is the