Marsh first described the bird in 1872, but misidentified the toothed jaw as belonging to a type of lizard.

Early species had long, fully toothed jaws and long tails, while later forms had a highly reduced tail, and some lacked teeth.

As Nat-ul touched the nest three sets of sharp toothed jaws snapped at her simultaneously.

The Arhynchobdellida were formerly divided into two groups, denoted by presence or absence of toothed jaws.

The pliosauroids were short-necked plesiosaurs with large heads and massive toothed jaws.

The creature's head is something like a wolf, with menacing silver eyes and black toothed jaws that drool a grayish fluid.

As she watched, one of those came to life, an obscene lizard-like thing of splotched skin and toothed jaws crawling towards the flyer.

It had a large head, toothed jaws, and a long beak.

This is surrounded by the feeding apparatus known as Aristotle's lantern with five toothed jaws each with oval jaw plates.

The underside of the disk contains the mouth, which has five toothed jaws formed from skeletal plates.