Heterodontiformes (Bullhead Sharks) is an order of modern sharks. There are 9 species of Bullhead Sharks, in 1 genus and 1 family. It includes groups like Bullhead Sharks.
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.)