- (in some classification systems) a major grouping that includes more or less radially symmetrical animals, as coelenterates (jellyfish, sea anemones, corals), ctenophores (comb jellies), and echinoderms (starfish, sea urchins, sea cucumbers).
Origin of Radiata
1820–30; < New Latin, noun use of neuter plural of Latin radiātus radiate (adj.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for radiata
It will be noticed that he separates the Radiata (Radiaires) from the Polypes.Lamarck, the Founder of Evolution
Alpheus Spring Packard
Part I., containing the Radiata and Articulata, is now ready.Western Himalaya and Tibet
Thus, in the great division of radiata, we find asteriod and helianthoid zoophytes, besides crinoid and cystidean echinoderms.Principles of Geology
Cuvier included them in his Radiata, a class comprising all the animals whose parts diverge or radiate from a central axis.The Sea-beach at Ebb-tide
Augusta Foote Arnold
The lower type of animals, the Radiata, is almost exclusively marine.