Eucarida is a superorder of typical crustaceans. There are 13323 species of Eucarida, in 1835 genera and 179 families. It includes groups like Decapods.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)