Strongylocentrotidae
plural noun
Stron·gy·lo·cen·trot·i·dae
| \ ˌstränjəlōsen‧ˈträtəˌdē \
Definition of Strongylocentrotidae
: a large and nearly cosmopolitan family of typical sea urchins (order Centrechinoidea)
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Merriam-Webster unabridged
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