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

Definition of Spatangina

: 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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History and Etymology for Spatangina

New Latin, from Spatangus + -ina

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Cite this Entry

“Spatangina.” Dictionary, Merriam-Webster, Accessed 18 Feb. 2020.

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