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Webster 1913 Edition
Siphonostomata
‖
Siˊpho-no-stom′a-ta
,Noun.
pl.
(Zool.)
(a)
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)
An artificial division of gastropods including those that have siphonostomatous shells.