Pycnotheca

Pycnotheca is a genus of hydroids in the family Kirchenpaueriidae.

Species
Three species are classified in this genus:
 * Pycnotheca biseptata (Blackburn, 1938)
 * Pycnotheca mirabilis (Allman, 1883)
 * Pycnotheca producta (Bale, 1881)