Sealife guideThe Pterioida orderThe taxonomy of marine species

Explore the taxonomy of marine mollusca including squid, shellfish, nudibranchs, octopus, cuttlefish !
The class of bivalves is characterized by a shell made up of two parts, called valves, which are hinged and more or less symmetrical.
Noble pen shell (Pinna nobilis)
Noble pen shell
(Pinna nobilis)

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Empereur quatre raies blanches (Monotaxis heterodon)
Empereur quatre raies blanches
(Monotaxis heterodon)