Definitions for: Scyphistoma

Webster (1913) Definition: Scy*phis"to*ma, n.; pl. Scyphistomata,
Scyphistom[ae]. [NL., fr. Gr. ? a cup + ? the mouth.]
(Zo["o]l.)
The young attached larva of Discophora in the stage when it
resembles a hydroid, or actinian.