pectinibranchia pectinibranch • Pectinibranchia · · · Info · Definitions · Characters · · pectinibranchia · · Text Latin · · Script 15 · · Length 6 · · Syllables Definitions · · · (noun) large order of gastropods comprising univalve mollusks that have a single gill resembling a comb. Synonyms: Pectinibranchia, order Pectinibranchia. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074