Spatangina

plural noun Spat·an·gi·na \ˌspatənˈjīnə, -jēnə\

Definition of Spatangina

  1. :  a suborder of sea urchins (order Exocyloida) comprising numerous more or less flattened approximately heart-shaped sea urchins that exhibit considerable secondary bilateral symmetry — compare clypeastrina

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Origin and Etymology of spatangina

New Latin, from Spatangus + -ina


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of or relating to bile

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