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Other names for the sand dollar include sand cakes, pansy shells, snapper biscuits, cake urchins, and sea cookies. [3] In South Africa, they are known as pansy shells from their suggestion of a five-petaled garden flower. The Caribbean sand dollar or inflated sea biscuit, Clypeaster rosaceus, is thicker in height than
Clypeaster reticulatus, the reticulated sea biscuit, is a species of sea urchin in the family Clypeasteridae. This species was first scientifically described in 1758 by Carl Linnaeus . It lives on the sandy seabed of shallow seas, semi-immersed in the sediment.
Clypeaster, common name "cake urchins" or "sea biscuits", ... Fossil of Clypeaster bowersi the San Diego Natural History Museum, California.
Fossils of microbes, sea sponges, insects, sharks, early amphibians and mammals have been discovered in the rocks around the state, representing over 1 billion years of life on Earth.
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This list of the Cenozoic life of Mississippi contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Mississippi and are between 66 million and 10,000 years of age.
Dendraster excentricus, also known as the eccentric sand dollar, sea-cake, biscuit-urchin, western sand dollar, or Pacific sand dollar, is a species of sand dollar in the family Dendrasteridae. It is a flattened, burrowing sea urchin found in the north-eastern Pacific Ocean from Alaska to Baja California .
The skeleton of an extinct prehistoric reptile predator, known as a sea dragon, is the largest and most complete ever discovered in the U.K., researchers said Monday.