cystophorous cercaria
From ZooTerms (Dictionary of Invertebrate Zoology)
cystophorous cercaria: 1. A large cercaria with a bulbous chamber at the anterior end of the tail into which the body can be withdrawn; also called cystocercous, cysticercaria, macrocercous cercaria.
2. The cercaria of the family Halipegdae that have a short tail with 5 appendages, all differing from each other.
