In the 1993 film Jurassic Park, a nefarious character meets his demise during an encounter with a Dilophosaurus. No taller than a human, the curious dinosaur morphs into a true menace when it extends a large neck frill, hisses, and spits venom in the man’s eyes. The scene cemented Dilophosaurus as a pop culture icon—except it turns out the real Jurassic predator was nothing like the one in the movie.

“I call Dilophosaurus the best worst-known dinosaur,” says Adam Marsh, a paleontologist at the Petrified Forest National Park in Arizona who led a comprehensive re-description of the species, published today in the Journal of Paleontology.

Despite being discovered 80 years ago, the species has remained poorly understood.

Now, the new analysis