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Limacina - Wikipedia, the free encyclopedia |
 | | The sea butterflies from the family Limacinidae (Blainville, 1823) have evolved from fossils from the Middle Miocene. |
 | | Shell sizes and thicknesses vary within Limacina, but they are still large enough to fit the snail. |
 | | In arctic and temperate waters, the diameter of the shell does not superseed 15 mm. |
| en.wikipedia.org /wiki/Limacina (331 words) |
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