Surface Microornamentation of Demosponge Sterraster Spicules, Phylogenetic and Paleontological Implications

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REFERENCE Cárdenas, Paco (2020). Frontiers in Marine Science ABSTRACT Siliceous spicules in demosponges exist in a variety of shapes, some of which look like minute spheres of glass. They are called “sterrasters” when they belong to the Geodiidae family … Read More