sclerodermite noun2 •The hard integument of crustaceans.In fact each zoonite in turn is formed of several distinct parts or sclerodermites, which also, by welding together, produce arrests of development and atrophied members. — 1894 •A calcareous support structure, such as that produced by the corals in the Scleractinia order, by sclerosponges, and by some sea cucumbers.The same is true of the sclerodermites of Holothuroidea but it is not true of other echinoderm microfossils, such as echinoid pedicellariae and microcrinoids. — 1963 formssclerodermites
