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Definition of "echinoderms" [echinoderms]

  • Plural form of echinoderm. (noun)

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Use "echinoderms" in a sentence
  • "Spiny sea urchins are members of the animal group called echinoderms Greek for"
  • "Hertwig has shown that the tiny transparent ova of the echinoderms are the most convenient for following the details of this important process of impregnation."
  • "Traditionally, one certain way of distinguishing between Pre-Cambrian and later strata has been on the basis of the absence or presence of organisms with hard parts, or with the proven internal complexity of forms such as echinoderms and coelenterates."