Six British species of the Cheilostomatous bryozoan genus Schizomavell
a Canu & Bassler, 1917 are described and figured. Neotype specimens ar
e selected for S. auriculata (Hassall) and S. linearis (Hassall), and
lectotypes are selected for S. cuspidata (Hincks) and S. hastata (Hinc
ks). S. hastiformis Hayward and Ryland is placed in synonymy with S. l
inearis. S. sarniensis sp.nov. is described from several south-west Br
itish localities.