吸管亞綱
Suctoria \Suc*to"ri*a\, n. pl. [NL. See {Suction}.] (Zo["o]l.)
1. An order of Infusoria having the body armed with somewhat
stiff, tubular processes which they use as suckers in
obtaining their food. They are usually stalked.
2. Same as {Rhizocephala}.