CBS News correspondent Martha Teichner traveled to Florida to search for sand dollars, which are cousins of sea urchins and sea stars, alongside naturalist Kristen Williams, also known as The Seashell Mermaid.
During the segment, Teichner also visited the California Academy of Sciences' Steinhart Aquarium in San Francisco to examine the biological characteristics that make these marine creatures unique. The report was originally broadcast on April 12.
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