Siphonostomata
Siphonostomata , noun, plural
[New Latin See Siphon, and Stoma.]
(a)
(Zoology) A tribe of parasitic copepod Crustacea including a large number of species that are parasites of fishes, as the lerneans. They have a mouth adapted to suck blood.
(b)
(Zoology) An artificial division of gastropods including those that have siphonostomatous shells.