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Jennifer Bauer posted an image in the group What is it? from the myFOSSIL app 5 years, 1 month ago
5 years, 1 month ago5 years, 1 month agoThis is a sponge in the group Calcarea. Does anyone know more about the lower level taxonomy? Family, genus, species? Easily recognizable by the spicules (star shapes) but I never really learned much more! #fossil