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单词 echinoidea
释义

Echinoidea

enUK
Thesaurus
Noun1.Echinoidea - sea urchins and sand dollarsEchinoidea - 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

Echinoidea

enUK

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.
MedicalSeeechinoid

Echinoidea

enUK
Related to Echinoidea: sand dollar
  • noun

Synonyms for Echinoidea

noun sea urchins and sand dollars

Synonyms

  • class Echinoidea

Related Words

  • Echinodermata
  • phylum Echinodermata
  • sea urchin
  • Exocycloida
  • order Exocycloida
  • order Spatangoida
  • Spatangoida
  • class
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