Definition of Echinoidea in English:


Syllabification: Ech·i·noi·de·a
Pronunciation: /ˌekəˈnoidēə
  • A class of echinoderms that comprises the sea urchins.
    More example sentences
    • Ophiuroidea is grouped with Echinoidea and Holothuroidea based on the closed ambicular grooves.
    • Clark endorsed splitting L. sexiesperforata from Mellita but Mortensen used the name Leodia as a subgenus of Mellita in his extremely influential Monograph of the Echinoidea.
    • BNip3-related sequences were found in all major lineages of Bilateria, from Echinoidea and Ascidiacea to mammals.


modern Latin (plural), from echinus.

More definitions of Echinoidea

Definition of Echinoidea in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little