Echinoderms form part of the diet of many organisms such as bony fish, sharks, eider ducks, gulls, crabs, gastropod molluscs, sea otters, Arctic foxes and humans.
He was awarded a Doctor of Science degree from the University in 1969: the title of his his dissertation was "Os Equinodermos da região da Ilha Grande" ("The Echinoderms of the Ilha Grande region").
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Luiz Roberto Tommasi is a Brazilian zoologist who specialises in Echinoderms.
Philip Herbert Carpenter (1852–1891), expert on the morphology of the echinoderms
The four most common trilobites Ceraurus, Flexicalymene, Isotelus gigas, and Meadowtownella are found (complete or partially complete) throughout the deposit often associated with echinoderms.