Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
order within thesuperorder Gnathostomata — thesand dollars .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Clypeaster + -oida
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Examples
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They were a sort of sea urchins of the order Clypeasteroida ¦ I'd looked them up.
Second Wind Francis, Dick 1999
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