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1990
Abstract Most echinoderms have a distinctive radial pattern which may take the form of five arms radiating from a central disk (Fig. 15. I) or a more globular or cylindrical shape, again with structures arranged in five rows (or multiples of five) (Fig. 15.2).
J Moyse, P A Tyler
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Abstract Most echinoderms have a distinctive radial pattern which may take the form of five arms radiating from a central disk (Fig. 15. I) or a more globular or cylindrical shape, again with structures arranged in five rows (or multiples of five) (Fig. 15.2).
J Moyse, P A Tyler
openaire +1 more source