Leodia sexiesperforata
| Leodia sexiesperforata | |
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| Illustration by Louis Agassiz, 1841 | |
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| Species: | L. sexiesperforata  | 
| Binomial name | |
| Leodia sexiesperforata (Leske, 1778)  | |
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Leodia sexiesperforata, commonly known as the six-holed keyhole urchin, is a species of sand dollar, in the echinoderm order Clypeasteroida. It is native to tropical and sub-tropical parts of the western Atlantic Ocean where it buries itself in soft sediment in shallow seas.