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    Marine Zoology
        Plancton
            Mollusca

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Carinaria lamarcki Peron & Lesueur (body length 20mm)

A very transparent Gastropod, with true holoplanctonic habits (Carinaria lamarcki spends the whole life in the Plancton). The adult has a very large body, and the shell protect just a little part of the mollusc.

Un Gastropode trasparentissimo, oloplantonico (trascorre tutta la vita nel Plancton). Gli adulti hanno un corpo molto grande, lungo fino a 20cm, solo in piccola parte protetto dalla conchiglia.

   
Cymbulia peroni (Blainville-Ducrotay)  (40mm)

   
Cavolinia inflexa (Lesueur) (shell length 6mm)

   
Pneumodermopsis ciliata (Gegenbauer) (9mm)

   
Argonauta argo Linnaeus ("shell" length 55mm)

A Pelagic Cephalopod: the female builds a leathery "shell" to preserve the eggs from the predators, and is much larger than the male.

Un Cefalopode pelagico: la femmina costruisce una "conchiglia" pergamenacea per proteggere le uova dai predatori, ed č molto pių grande del maschio.
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Are you interested in Marine Biology? Tenctacles are moving in the dark, the utter dark... Visit our Cephalopods section.