Zyzzyzus

Zyzzyzus is a genus of marine tubulariid hydrozoans, which grow embedded in sponges.

Species

 * Zyzzyzus floridanus Petersen, 1990
 * Zyzzyzus iyoensis (Yamada, 1959)
 * Zyzzyzus parvula (Hickson & Gravely, 1907)
 * Zyzzyzus robustus Petersen, 1990
 * Zyzzyzus rubusidaeus Brinckmann-Voss & Calder, 2013
 * Zyzzyzus spongicolus (von Lendenfeld, 1884)
 * Zyzzyzus warreni Calder, 1988