As nouns the difference between turbellarian and sagittocyst
is that turbellarian is any flatworm of the class Turbellaria while sagittocyst is a capsule having a spindle-like needle produced by epidermal cells of certain turbellarians.
As an adjective turbellarian
is characteristic of these creatures.
sagittocyst
English
Noun
(
en noun)
A capsule having a spindle-like needle produced by epidermal cells of certain turbellarians.