A team of researchers affiliated with several institutions in Italy, working with a colleague from the U.S., has found that sea urchin spine joiners have bone formations that conform to a Voronoi ...
Sea urchins are among the oldest living animals on earth. Thanks to their simple yet effective physiology, the prickly purple critters have survived since the planet was a primordial smorgasbord of ...
Surveys by the Johnson-Sea-Link submersibles have revealed the presence of large populations of black Centrostephanus, superficially resembling Diadema antillarum Philippi, along the shelf edge ...
DR. H. LYMAN CLARK, of the Museum of Comparative Zoology, Cambridge, Mass., who is one of the outstanding authorities on echinoderms, has given in this catalogue the results of his studies, extending ...
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