Plexechinus is a genus of echinoderms belonging to the monotypic family Plexechinidae.

The genus has almost cosmopolitan distribution.

Species:

Plexechinus aoteanus Plexechinus cinctus Plexechinus hirsutus Plexechinus parvus Plexechinus planus Plexechinus spectabilis Plexechinus sulcatus

References