ˌmīzəstəˈma(a)rēə noun plural
Usage: capitalized
Etymology: New Latin, from Myzostomum, type genus (from myzo- + -stomum ) + -aria
: a class or other division of aberrant annelid worms that are probably related to the polychaetes, are parasites of echinoderms, have the form as an adult of an unsegmented disk with ventrally located parapodia, adhesive suckers, distinctive marginal cirri, a coelom obscured by connective tissue, no vascular system, and a single pair of nephridia opening into the posterior intestine, develop indirectly, and have a typical trochophore