Brittle star
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Brittle stars, serpent stars, or ophiuroids are echinoderms in the class Ophiuroidea. They crawl across the sea floor using their flexible arms for locomotion. The ophiuroids generally have five long,
Ophiura ophiura
Brittle star in Kona, Hawaii
Ophiopetra lithographica from the Lower Hienheim Beds (Lower Tithonian, Upper Jurassic) near Regensburg, Germany
Asteriacites, a trace fossil of an ophiuroid; Carmel Formation (Middle Jurassic), near Gunlock, Utah; scale bar is 10 mm.
Echinoderm
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An echinoderm is any animal of the phylum Echinodermata, which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While
Brittle star
…ophiurus 'brittle star'; from Ancient Greek ὄφις (óphis) 'serpent' and οὐρά (ourá) 'tail'; referring to the serpent-like arms of the brittle star) are echinoderms in the class Ophiuroidea. They crawl across the sea floor using their flexible arms for locomotion. The ophiuroids generally have five long, slender…
Echinoderm collage 2
A brittle star, Ophionereis reticulata
A sea cucumber, Stichopus chloronotus, from Malaysia
Starfish of varied colours