brittle star

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brittle star

any member of the Class Ophiuroidea - Echinoderms which possess usually five slender arms, clearly distinct from the central disc which lacks an anus. The number of arms is more variable than in starfish Class ASTEROIDEA.
References in periodicals archive ?
Without these astonishing submerged landscapes there simply wouldn't be any fish, let alone fantastic jewel anemones, seahorses, dolphins, brittlestars amongst all the other wild and extraordinary creatures which are part of a healthy marine ecosystem.
TELECOMWORLDWIRE-27 August 2001-Bell Labs to design microlenses based on optics found in brittlestars (C)1994-2001 M2 COMMUNICATIONS LTD http://www.
Brittlestar species that don't sense light don't have the arrays, the researchers found.
This led the Bell Labs scientists to attempt to mimic nature's success and design crystals based on the brittlestar model, with the ultimate goal of building complex arrays of microlenses similar to the brittlestar's own lenses.
Interaction of ocean acidification and temperature; the high cost of survival in the brittlestar Ophiura ophiura.
Corgan's first contributions 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, followed by a paleoecological study of Devonian fauna in the region, where he narrowed his interest to mollusks.
Beds of brittlestar starfish - between outer sands and rock reefs lie large gravel areas covered in a mass of brittlestars, a kind of starfish, which are preyed upon by red sunstars.
The population structure of the brittlestar Ophiura sarsi Lutkin in the Gulf of Maine and its trophic relationship to American plaice (Hippoglossoides platessoides Fabricius).
The brittlestar, on the other hand, makes its microlenses using a "bottom up" approach, in which successive layers of calcite are deposited onto an organic template in intricate patterns to form perfect crystalline lenses at the temperature of seawater.
Microscopic anatomy of the digestive system in normal and regenerating specimens of the brittlestar Amphipholis kochii.
Respiration in the burrowing brittlestar, Hemipholis elongate Say (Echinodermata, Ophiuroidea): a study of the effects of environmental variables on oxygen uptake.