Webster's Revised Unabridged Dictionary · 1913

Pantastomata

Pantastomata (pan`tȧ*stom"ȧ*tȧ) , noun, plural

[New Latin, from Greek pa^s, panto`s, all + sto`ma, sto`matos, mouth.]

(Zoology) One of the divisions of Flagellata, including the monads and allied forms.