Source : Webster's Revised Unabridged Dictionary (1913)

Schizonemertea \Schiz`o*ne*mer"te*a\, n. pl. [NL. See {Schizo}-,
   and {Nemertes}.] (Zo["o]l.)
   A group of nemerteans comprising those having a deep slit
   along each side of the head. See Illust. in Appendix.