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Hardouinia mortonis (oral)
Description Oral side: The mouth is encircled by large podia, penetrating through pores, conspicuoisly arranged like leaves. The prominent tooth-like areas are set with spines. Both the spines and the tube feet are specialized to shovel large quantities of sediment into the peristome.Length 51 mm; Upper Cretaceous, USA. JPG file - 236.27 kB - 1 053 x 1 113 pixels added on 2005-02-23487 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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