class equisetatae class echinoidea • class euglenophyceae · · · Info · Definitions · Characters · · class equisetatae · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) horsetails and related forms. Synonyms: Sphenopsida, class Sphenopsida, Equisetatae, class Equisetatae. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C q latin small letter q U+0071 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075