| 释义 |
order Exocycloida
Thesaurus| Noun | 1.order Exocycloida - flat sea urchinsExocycloidaanimal order - the order of animalsclass Echinoidea, Echinoidea - sea urchins and sand dollarssand dollar - flattened disklike sea urchins that live on sandy bottoms |
order Exocycloida
Synonyms for order Exocycloidanoun flat sea urchinsSynonymsRelated Words- animal order
- class Echinoidea
- Echinoidea
- sand dollar
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