-ˈthelə noun
( plural acanthellas -ləz ; also acan·thel·lae -(ˌ)lē)
Etymology: New Latin, from acanth- (from Acanthocephala ) + -ella
1. : a transitional larva of the acanthocephalan intermediate between the acanthor and the juvenile infective form — called also preacanthella
2. : the juvenile infective form of an acanthocephalan