Strongylocentrotidae
plural noun
Stron·gy·lo·cen·trot·i·dae
ˌstränjəlōsen‧ˈträtəˌdē
: a large and nearly cosmopolitan family of typical sea urchins (order Centrechinoidea)
Word History
Etymology
New Latin, from Strongylocentrotus, type genus + -idae