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Valiant in 1892
Among its impressive features are the dramatically retorted occipital spines
3 ft in length
and specimens over 40 centimeters long are known
form the cliffs
Starfish (Class Asteroidea) Posters Valiant in 1892Starfish (Class Asteroidea) Jurassic Age, Germany Starfish belong to a phylum of invertebrates known as Echinodermata. Echinoderms (Latin for "spiny skin") are named for their porous armor of calcite plates. Primitive Echinoderms first appeared in the fossil record 570 million years ago in the Lower Cambrian Period. Other Echinoderms include sea urchins, sand dollars, sea cucumbers, and sea lilies. The earliest known starfish appeared in the Lower
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