| 单词 |
echinoidea |
| 释义 |
EchinoideaenUK
Thesaurus| Noun | 1. |  Echinoidea - sea urchins and sand dollars class EchinoideaEchinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumberssea urchin - shallow-water echinoderms having soft bodies enclosed in thin spiny globular shellsExocycloida, order Exocycloida - flat sea urchinsorder Spatangoida, Spatangoida - heart-shaped sea urchinsclass - (biology) a taxonomic group containing one or more orders |
EchinoideaenUK
Echinoidea[‚ek·ə′noid·e·ə] (invertebrate zoology) The sea urchins, a class of Echinozoa having a compact body enclosed in a hard shell, or test, formed by regularly arranged plates which bear movable spines. MedicalSeeechinoidEchinoideaenUK
Related to Echinoidea: sand dollarSynonyms for Echinoideanoun sea urchins and sand dollarsSynonymsRelated Words- Echinodermata
- phylum Echinodermata
- sea urchin
- Exocycloida
- order Exocycloida
- order Spatangoida
- Spatangoida
- class
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