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Crossaster papposus ranges from 8" to 14" in diameter. It has many arms (between 8 and 14) the length of one-half its radius. It is scarlet on top with concentric bands of white, pink, yellow, or dark red, and it is white on the underside. Its entire upper surface is sparsely covered with brushlike bristles. (McConnaughey and McConnaughey, 1985) These bristles, called pseudopaxillae, consist of bundles of fine spines atop short stumps. The mouth area is bare, and it has two rows of sucker-tipped sensory tube feet. (Gosner, 1978)

Other Physical Features: ectothermic


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Source: Animal Diversity Web

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