An echinoderm related to the starfish, with long, thin, flexible arms radiating from a small central disk.
- ‘But the flowers are not flowers at all, they are crinoids, animals whose closest relatives include the starfish, brittlestars, sea urchins and sea cucumbers - the echinoderms.’
- ‘Common food items are small crustaceans, worms, brittlestars, sea urchins, and snails.’
- ‘Plankton is the bottom rung of the marine ecosystem's long ladder of life, and where there is plenty, marine organisms from brittlestars to whale sharks thrive.’
- ‘The main life on the hull plates consists of tunicates and brittlestars.’
- ‘Lightbulb sea squirts, common brittlestars, featherstars of various colours, and northern prawns survey diving passers-by from their rock crevices and ledges.’
We take a look at several popular, though confusing, punctuation marks.