Ctena is a genus of bivalves belonging to the family Lucinidae.
The genus has a cosmopolitan distribution.
Species The following species are recognised in the genus Ctena:
Ctena bella Ctena decussata Ctena delicatula Ctena divergens Ctena eburnea Ctena galapagana Ctena gunnamatta Ctena imbricatula Ctena mexicana Ctena orbiculata Ctena reevei Ctena tatei
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