Amphineura Amphinesian • amphineurous · · · Info · Definitions · Characters · · Amphineura · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a class of Gastropoda. Synonyms: subclass Amphineura. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075