petromyzoniformes Petromyzonidae • petromyzon marinus · · · Info · Definitions · Characters · · petromyzoniformes · · Text Latin · · Script 17 · · Length 7 · · Syllables Definitions · · · (noun) lampreys as distinguished from hagfishes. Synonyms: Petromyzoniformes, suborder Petromyzoniformes, Hyperoartia, suborder Hyperoartia. · · Noun Definition 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079 z latin small letter z U+007A