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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, common name "cake urchins" or "sea biscuits", ... Fossil of Clypeaster bowersi the San Diego Natural History Museum, California.
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.
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.
Clypeaster rosaceus, the fat sea biscuit, [2] is a species of sea urchin in the family Clypeasteridae. It occurs in shallow water in the western Atlantic Ocean and was first scientifically described in 1758 by Carl Linnaeus .
Millions of prehistoric marine fossils were discovered beneath a California high school over the course of a multi-year construction project. The relics recovered at San Pedro High School included ...
Clypeaster japonicus, the Japanese sea biscuit, is a species of sea urchin in the family Clypeasteridae. This species was first scientifically described in 1885 by the German zoologist Ludwig Heinrich Philipp Döderlein .
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.