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John Christian commented on their own Fossil #013424 7 years, 6 months ago
7 years, 6 months ago7 years, 6 months agoScutellaster interlineata (Stimpson, 1856)
The Pliocene/Pleistocene Merced Formation that occurs south of Fort Funston and into northern San Mateo County contains Pliocene Scutellaster interlineata sand dollars. They feed by burying themselves sideways in the sand unlike most sand dollars today.