A genus of echinoid Echinoderms, allied to the common sea urchin, but having mouth and vent both below.
| 单词 | θ33468 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > order Clypeastroidea > member of > genus or member of genus Clypeaster (2) Clypeaster1836 A genus of echinoid Echinoderms, allied to the common sea urchin, but having mouth and vent both below. clypeastroid1877 |
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