Anatomy facts

brittle star anatomy

The ossicles are surrounded by a relatively thin ring of soft tissue, and then by four series of jointed plates, one each on the upper, lower, and lateral surfaces of the arm. The two lateral plates often have a number of elongated spines projecting outwards; these help to provide traction against the substrate while the […]

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Anatomy facts

star fish anatomy

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Anatomy facts

anatomy of a sea star

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Anatomy facts

anatomy of a star

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