I. ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ˈn(y)üstə noun plural
Usage: capitalized
Etymology: New Latin, from enter- + -pneusta
: an order or other division of hemichordate worms consisting of Balanoglossus and related genera
II.
Etymology: New Latin, from enter- + -pneusta
synonym of hemichordata