Crossword solverSynonyms for univalve21 crossword answers for “univalve” (8), sorted by letter count.How many letters?All2153617485911011121211511611815 letters 3cowryconchphysa6 letters 1cowrie7 letters 4bivalveabalonesea slug(3,4)sea hare(3,4)8 letters 5seasnailear-shell(3-5)bivalvedlimacinelimacoid9 letters 1gastropod10 letters 1nudibranch11 letters 2river limpet(5,6)bubble shell(6,5)12 letters 1aplacophoran15 letters 1aplysia punctata(7,8)16 letters 1freshwater limpet(10,6)18 letters 1ancylus fluviatilis(7,11)