Definition of Echinoidea in English:
Echinoidea
plural nounˌɛkɪˈnɔɪdɪəˌekəˈnoidēə
Zoology A class of echinoderms that comprises the sea urchins.
Example sentencesExamples
- 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.
- Other representatives from the Echinoidea also display two nonadjacent rRNA genes (with the trnV gene inserted or not inserted).
- BNip3-related sequences were found in all major lineages of Bilateria, from Echinoidea and Ascidiacea to mammals.
- Ophiuroidea is grouped with Echinoidea and Holothuroidea based on the closed ambicular grooves.
Origin
Modern Latin (plural), from echinus.