释义 |
spat·an·gi·na \ˌspatənˈjīnə, -jēnə\ noun plural Usage: capitalized Etymology: New Latin, from Spatangus + -ina : 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 |