Cirrostomi
Pronunciation : Cir`ros"to*mi
Part of Speech : n.
Etymology : [NL., fr. E. cirrus + Gr. (Zo?l.)
Definition : Defn: The lowest group of vertebrates; -- so called from the cirri around the mouth; the Leptocardia. See Amphioxus.
pl.
Source : Webster's Unabridged Dictionary, 1913