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 template Edition game's Dungeon Master's Guide, which features tables to aid in the "random generation of creatures from the lower planes". Subsequent other First Edition handbooks, notably the Monster Manual II, as well as Dragon Magazine, featured additional early monster generation templates. Creature template In the "Dungeons & Dragons" game, a template can be applied to a creature to enhance its abilities or to even create a new type of creature. Templates can be either acquired or inherited. An acquired template can be applied to a creature at any point (assuming it meets the prerequisites for the template), while an inherited