| Jimmy twice had the iron jawed Bonevena on the canvas, something Joe Frazier could not do in 25 rounds of fighting. |
| The relationships between hagfishes, lampreys, and jawed vertebrates are one of the still-unresolved problems in craniate phylogeny. |
| No one had unambiguously located such genes in animals more primitive than the jawed vertebrates. |
| At a quick glance, jawless fish such as the lamprey above don't appear to have much in common with jawed fish or any other back-boned creature. |
| In contrast, people and other jawed vertebrates brandish adaptive immune systems. |
| For example, it is possible that the brainstem reticular formation is divided into the same number of nuclei in all jawed vertebrates. |
