Useful english dictionary. 2012.
Echinoidea — noun sea urchins and sand dollars • Syn: ↑class Echinoidea • Hypernyms: ↑class • Member Holonyms: ↑Echinodermata, ↑phylum Echinodermata • Member Meronyms: ↑ … Useful english dictionary
Echinoidea — Ech i*noi de*a, n. pl. [NL. See {Echinus}, and { oid}.] (Zo[ o]l.) The class Echinodermata which includes the sea urchins. They have a calcareous shell, usually more or less spheroidal or disk shaped, composed of many united plates, and covered… … The Collaborative International Dictionary of English
Echinoidea — Ech·i·noi·dea .ek ə nȯi dē ə n pl a class of motile bottom dwelling echinoderms comprising the sea urchins and related forms ech·i·noid ek ə .nȯid n * * * Echi·noi·dea (e kĭ noiґde ə) a class of the phylum Echinodermata, including the … Medical dictionary
Sea urchin — Taxobox name = Sea urchin image width = 250px image caption = Sea urchins, Sterechinus neumayeri regnum = Animalia phylum = Echinodermata subphylum = Echinozoa classis = Echinoidea classis authority=Leske, 1778 subdivision ranks = Subclasses… … Wikipedia
echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea … Universalium
Diadema setosum — Diadema setosum, banded spines color morph. Scientific classification Kingdom: Animali … Wikipedia
sea urchin — 1. any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines. 2. a tall evergreen shrub or small tree, Hakea laurina, of Australia, having… … Universalium
New Zealand sea urchin — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Dendraster excentricus — Eccentric Sand Dollar or Western Sand Dollar Ganges Harbour, BC Scientific classification Kingdom: Ani … Wikipedia
Echinodermata — noun radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers • Syn: ↑phylum Echinodermata • Hypernyms: ↑phylum • Member Holonyms: ↑Animalia, ↑kingdom Animalia, ↑animal kingdom … Useful english dictionary
