Spatangina

plural noun

Spat·​an·​gi·​na
ˌspatᵊnˈjīnə,
-jēnə
: 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

Word History

Etymology

New Latin, from Spatangus + -ina

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Cite this Entry

“Spatangina.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Spatangina. Accessed 23 Dec. 2024.

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