the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > order Cidaroidea > member of family Cidaridae > member of genus Cidaris (3)
turban1713
Zoology. A name for certain species of echinoderms, esp. the genus Cidaris.
turban-shell1753
= 5 6b.
piper1809
Scottish. A sea urchin, Cidaris cidaris. Also piper-urchin (rare).