About The Word Echinoidea

Bay Area Crosswords

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Echinoidea

Echinoidea Meaning & Definition
Echinoidea Definition And Meaning

What's The Definition Of Echinoidea?

[n] sea urchins and sand dollars

Synonyms | Synonyms for Echinoidea: class Echinoidea

Related Terms | Find terms related to Echinoidea:

See Also | class | Echinodermata | Exocycloida | order Exocycloida | order Spatangoida | phylum Echinodermata | sea urchin | Spatangoida

Echinoidea In Webster's Dictionary

\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, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See {Spatangoid}, {Clypeastroid}. [Written also {Echinidea}, and {Echinoida}.]

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