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Bothriocidaris

noun Both·rio·cid·a·ris \ -ˈsidərə̇s \

Definition of Bothriocidaris

:a genus (coextensive with the family Bothriocidaridae and order Bothriocidaroida) of extinct primitive simple sea urchins that somewhat resemble Cystoidea and are known from the Ordovician of the Russo-Baltic area

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Origin and Etymology of bothriocidaris

New Latin, from bothri- + Cidaris

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