Hydrocena is a genus of gastropods belonging to the family Hydrocenidae.
The genus has almost cosmopolitan distribution.
Species:
Hydrocena atavina Hydrocena bridgesi Hydrocena cattaroensis Hydrocena cerea Hydrocena cornea Hydrocena diaphana Hydrocena dubiosa Hydrocena dubrueiliana Hydrocena exserta Hydrocena gutta Hydrocena japonica Hydrocena kenyana Hydrocena lirata Hydrocena moncuccoensis Hydrocena navigatorum Hydrocena noticola Hydrocena obtusa Hydrocena praecursor Hydrocena puisseguri Hydrocena pyramis Hydrocena rara Hydrocena solidula Hydrocena spiralis Hydrocena tanzaniensis Hydrocena trolli Hydrocena turbinata
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