littorinidae littorina • littre · · · Info · Definitions · Characters · · littorinidae · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) periwinkles. Synonyms: Littorinidae, family Littorinidae. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074