Bonnethead began with a taxon that had a highly pronounced cephalofoil (most likely that similar to the winghead shark, "Eusphyra blochii"), and was later modified through selective pressures. Thus, judging by their smaller cephalofoils, bonnethead sharks are the more recent developments of a 25-million-year evolutionary process. This species occurs off the American coast, in regions where the water is usually warmer than . It ranges from New England, where it is rare, to the Gulf of Mexico and Brazil, and from southern California to Ecuador. During the summer, it is common in the inshore waters of the Carolinas and Georgia; in
Creature of statute Creature of statute A creature of statute (also known as creature of the state) is a legal entity, such as a corporation, created by statute. Creatures of statute may include municipalities and other artificial legal entities or relationships. Thus, when a statute in some fashion requires the formation of a corporate body—often for governmental purposes—such bodies when formed are known as "creatures of statute." The same concept is also expressed with the phrase "creature of the state." The term "creature of statute" is most common to the United States. In the United Kingdom, these bodies are simply called statutory corporations