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    The Stichasteridae are a small family of Asteroidea (sea stars) in the order Forcipulatida. Genera were formerly unassigned, or in the family Asteriidae . The World Register of Marine Species lists these genera within the family Stichasteridae: ^ "WoRMS - World Register of Marine Species - Stichasteridae Perrier, 1885".
    Stichaster striatus, the common light striated star, is a species of starfish in the family Stichasteridae, found in the southeastern Pacific Ocean. It was first described by the German zoologists Johannes Peter Müller and Franz Hermann Troschel in 1840.
    Two synapomorphies of the ambulacrals allow the distinction between Asteriidae and Stichasteridae: asteriids have a strongly arched abactinal profile and the muscle insertion lim is elongated (characters 28 and 29; for description of the characters see Appendix 1). Other differences are identified in the wall skeleton.
    Two or more rows are visible in some Stichasteridae (e.g. Stichaster striatus; Supporting Information, Fig. S8H ), but the organization, and therefore the rows, completely disappear in other taxa when more than one abactinal is present proximally.
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