Share this entry

Share this page

Echinodermata

Syllabification: Echi·no·der·ma·ta
Pronunciation: /iˌkīnəˈdərmətə, ˌekənə-
 
/
Zoology

Definition of Echinodermata in English:

A phylum of marine invertebrates that includes starfishes, sea urchins, brittlestars, crinoids, and sea cucumbers. They have fivefold radial symmetry, a calcareous skeleton, and tube feet operated by fluid pressure.
Example sentences
  • The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata.
  • Sea cucumbers, invertebrate animals of the phylum Echinodermata, might hold out some hope for the afflicted.
  • Crinoids are a class of the phylum Echinodermata, which includes living starfishes, sand dollars and sea urchins, as well as approximately six hundred living species of crinoids.

Origin

modern Latin (plural), from Greek ekhinos 'hedgehog, sea urchin' + derma 'skin'.

Definition of Echinodermata in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day Sprachgefühl
Pronunciation: ˈSHpräkɡəˌf(y)o͞ol
noun
intuitive understanding of a language’s natural idiom…