Hypertext Webster Gateway: "Cyclostomi"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cyclostomi \Cy*clos"to*mi\ (s?-kl?s"t?-m?), n. pl. [NL. See
{Cyclostomata}.] (Zo["o]l.)
A glass of fishes having a suckerlike mouth, without jaws, as
the lamprey; the Marsipobranchii.
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