The starfish, which has abandoned the stalk, does not seem to prosper as yet, and the brittle-star appears.
"The Story of Evolution" by Joseph McCabe
And there were starfishes, sea-urchins, brittle-stars, feather-stars and sea-cucumbers.
"The Worst Journey in the World, Volumes 1 and 2" by Apsley Cherry-Garrard
They are also called Brittle Stars, because the arms break off easily, sometimes at the will of the animal.
"Stories of the Universe: Animal Life" by B. Lindsay
More than 700 species of brittle-stars are known.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg
The brittle stars living commensally with the deep-water corals were hard hit too, with 53 percent displaying abnormal colors and/or attachment to the corals.
Mars Rover Overbudget, Long-Lasting Dispersants and Dancing Brittle-Stars.