• Webster's Revised Unabridged Dictionary
    • a Echinodermal (Zoöl) Relating or belonging to the echinoderms.
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Century Dictionary and Cyclopedia
    • echinodermal Same as echinodermatous.
    • ***


In literature:

The division containing the zoophytes presented the most curious specimens of the two groups of polypi and echinodermes.
"Twenty Thousand Leagues under the Sea" by Jules Verne
The evidence suggests that both the free-moving and the stalked Echinoderms descend from a common stalked Archaean ancestor.
"The Story of Evolution" by Joseph McCabe
Remember Silurian Nautilus, Lingula and other Brachiopods, and Nucula, and amongst Echinoderms, the Silurian Asterias, etc.
"More Letters of Charles Darwin" by Charles Darwin
Take as an illustration the class of Echinoderms.
"The Atlantic Monthly, Vol. IX., March, 1862., No. LIII." by Various
The four great branches are the echinoderms, mollusks, articulates, and vertebrates.
"The Whence and the Whither of Man" by John Mason Tyler
Already the collections of insects, crustacea, worms, molluscs, echinoderms, corals, etc., at the Museum were enormous.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard
V. Hyates Corals and Echinoderms.
"The Western United States" by Harold Wellman Fairbanks
V. Hyatt's Corals and Echinoderms.
"Textiles" by William H. Dooley
Beautiful results are thus obtained with echinoderms, zoophytes, worms and marine arthropoda.
"Practical Taxidermy" by Montagu Browne
In this torpor the echinoderms and even the molluscs live to-day.
"Creative Evolution" by Henri Bergson

In news:

Sea cucumbers are echinoderms, marine animals in the same phylum as sea urchins, starfish, and sand dollars.
Marine aquarists often find echinoderms to be contradictions.