Is different what with the ophidia is - - is unable to cause own lower jaw dislocation to swallow the build big game, their steadily external ear and the small eyelid.
Even the people who handle cobras and kraits and other snakes - they are afraid of the species because of the sheer size and the venom and the attitude.
In snakes, according to Schlegel, the shape of the body and the manner of swallowing determine the position and form of several of the most important viscera.
Well, in 2013, scientists used gene data from more than four thousand living snake and lizard species to construct a new family tree for these groups of reptiles.
Paleontologists have recently described at least half a dozen previously unknown species of ancient snakes -- many of which are even older than Pachyrhachis, and most of them lived on dry land.
Yet arguably the most terrifying creature to have ever existed was the Titanoboa, a gigantic snake that lived millions of years ago in modern South America, known to grow up to 12.8m long and weigh up to 1135kg.