'Potamospongiae' definitions:

Definition of 'Potamospongiae'

From: GCIDE
  • Potamospongiae \Pot`a*mo*spon"gi*[ae]\, n. pl. [NL., fr. Gr. ? river + ? a sponge.] (Zool.) The fresh-water sponges. See Spongilla. [1913 Webster]