brittle star

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brittle star

Any of various marine echinoderms of the order Ophiurida having long slender arms.

brit′tle star`

or brit′tle•star`,

any echinoderm of the class Ophiuroidea, having the body composed of a central rounded disk from which radiate long, slender, fragile arms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brittle star - an animal resembling a starfish with fragile whiplike arms radiating from a small central discbrittle star - an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
Ophiurida, subclass Ophiurida - brittle stars
References in periodicals archive ?
Dr Doyle added the newly analysed brittlestar is a species with super survival powers.
2]-driven ocean acidification radically affects larval survival and development in the brittlestar Ophiothrix fragilis.
Sea urchins graze on the wide variety of seaweed, different species of brittlestar cling to the underside of rocks, sea slugs feed on sponges and beadlet, strawberry and dahlia anemones.
2006), then in such conditions this species may survive better by increasing the rates of both calcification and metabolism, as, for example, has been shown recently in the ophiuroid brittlestar Amphiura filiformis (Wood et al.
Over his career, Corgan wore many professional hats, but his first contribution to paleontology occurred while a geologist for Sinclair Oil in Alaska, where he described a new species of brittlestar from the Cretaceous of the Yukon.
Among the list of species which people are being asked to name are a red and white tipped sea slug, an anemone, a fungus, a sand brittlestar, a hoverfly and a lichen that thinks it is a mushroom.
It turns out that this brittlestar is covered with thousands of microscopic crystals made of the mineral calcite.
Since the early 1990s we have documented some unexpected and unprecedented tends, including vast increases in the abundance of the brittlestar Ophiothrix spiculata and related decreases in some sessile invertebrate species.
The researchers now hope to design microlenses based on the brittlestar model and believe the lenses could be useful as components of optical networks and in chip design where they might improve optical lithography techniques.
Look closely enough at the arms of the brittlestar, a starfish relative, and you'd see that those arms are looking right back at you.
Brittlestar beds: low-predation anachronisms in the British Isles.
Studies of the biology of the West Indian copepod Ophiopsyllus reductus (Siphonostomatoida: Cancerillidae) parasitic upon the brittlestar Ophiocomella ophiactoides.