Molluscs adapted to the pelagic life; they get rid of their shell at the end of the larval stage.
Firoloida Lesueur, 1817:
Larval shell smooth, with only two whorls.
| GASTROPODA | PTEROTRACHEIDAE |
Molluscs adapted to the pelagic life; they get rid of their shell at the end of the larval stage. |
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Firoloida Lesueur, 1817:Larval shell smooth, with only two whorls. |
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