brittle star


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brittle star

[¦brid·əl ′stär]
(invertebrate zoology)
The common name for all members of the echinoderm class Ophiuroidea.
References in periodicals archive ?
The brittle stars arms have near-perfect microscopic lenses that are made of calcite.
For example, molecular work within the brittle star species Ophiura lymani identified successful radiations out of the Southern Ocean into South America, albeit only during the Pleistocene (Sands et al.
Methods: The HeLa cells were cultured and exposed to brittle star methanol extract for 24 and 48 hr.
We collected specimens of Ophiotylos from Hawaii, vastly extending the known range of a brittle star genus comprising two nominal species: Ophiotylos leucus and O.
Displaying a balance of lyrical style with breezy readability, Brittle Star is an unusual mix of literary and accessible.
However, among the more abundant birds, Catoptrophorus semipalmatus and Limnodromus griseus (Scolopacidae), captured and ingested specimens of the brittle star, Amphipholis geminata at the nearby sand flat of Cocorocas (Pereira 1990).
These brittle star beds are likely to be an ecologically important community and the discovery adds yet another unique animal community to the Great Barrier Reef Marine Park.
Criteria Taxa n Size Complex morphology Black coral 135 X X (Antipathes dendrochristos) Flat sponge 4240 X Barrel sponge 2138 X Vase sponge 1167 X Sea pen 9726 X (Subselliflorae) Basket star (Gorgonocephalus eucnemis) 733 X X White-plumed anemone 57 X (Metridium farcimen) Foliose sponge 1259 X Shelf sponge 139 X Gorgonian 27 X (Gorgonacea) Crinoid 174,231 X (Florometra serratissima) Brittle star (Ophiuridae) 207,667 Fragile sea urchin 18,363 (Allocentrotus fragilis) White sea urchin 45,092 (Lytechinus anamesus) Brachiopod 56,924 (Order Terebratulida) Density (no.
Divide and broadcast: sexual reproduction in the West Indian brittle star Ophiocomella ophiactoides and its relationship to fissiaprity.
When it comes to spotting predators, one brittle star is all eyes.
Scientist Grant Burgess has found powerful germ-killing chemicals on the skin of the brittle star.
I was light as a dried leaf, dried brittle star, headlights through falling snow.