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Family: Laganidae |
Order: Clypeasteroida |
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Locality: East China Sea, 120 m, |
Dimensions: 70,8 x 64,4 x 21,6 mm |
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| I got this specimen without taxon, but according to its outer shape it is surely Laganum fudsiyama. The food grooves seem to be conspicuously broad, but I have no other denuded specimens for comparision. | |
