Jurassic World Dominion’s Weirdest Creature Is the Dimetrodon

Jurassic World Dominion doesn’t just fill the planet with dinosaurs that audiences have already seen before. Instead, it introduces several new species, some of which are less than mainstream when it comes to prehistoric popularity. These new beasts include the Therizinosaurus and the Giganotosaurus, both of whom give the familiar T. Rex a run for its money. Strangely, however, one “dinosaur” seen in the film shouldn’t be there at all.

Towards the climax of the film, Dominion threatens a few of its heroes with the voracious Dimetrodon. This spiny-backed beast is a frightening sight indeed, but it’s not a dinosaur. Its presence in the movie is thus part of a continued misconception about the creature simply based on its appearance. It also begs the question of what other Biosyn creatures could bring back and why they haven’t.

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Jurassic World Dominion’s Dimetrodon Isn’t a Dinosaur

ace Jurassic World Dominion begins reaching its end, Alan Grant, Ellie Sattler and Maisie Lockwood make their way through the catacombs of the Biosyn facility. This carved-out area isn’t monitored for danger like other parts, meaning that dangerous dinosaurs roam free. The trio learns this the hard way when they encounter a group of Dimetrodons in the underground caves. These animals give chase, chomping at the bit to chomp on the humans. Their threat is made worse by the lack of lighting, making it hard to see where they are. It’s a great dinosaur chase sequence, except for the fact that the creatures in question aren’t dinosaurs at all.

The Dimetrodon was a pelycosaur, more specifically a synapsid. These animals were not dinosaurs, having evolved long before the terrible lizards came onto the scene. In fact, they’re actually far more closely related to mammals, leading to their somewhat erroneous labeling as “mammal-like reptiles.” A physical feature that separate Dimetrodons from dinosaurs is that they had squat legs on the sides of their bodies, whereas dinosaurs had legs under their bodies. Despite this seemingly unwieldy anatomy, Dimetrodons could run rather quickly, to the chagrin of Alan, Ellie and Maisie in Jurassic World Dominion.

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Why Did Biosyn Only Clone Dinosaurs and Dino-Like Creatures?

The presence of the Dimetrodon in the latest Jurassic World begs the question of why dinosaurs and animals like them are seemingly the only ones being cloned in the series. something stressed in Dominion is that Biosyn only breeds purebred dinosaurs, eschewing the hybrid creatures of the two previous films. If their whole shtick is being more genetically accurate (which is also the explanation for the now feathered raptors), why bring in a non-dinosaur at all? Then again, the Dilophosaurus is still portrayed as inaccurately growing a frill and shooting venom, so perhaps biological accuracy was not truly a part of Biosyn’s intentions.

As mentioned, the Dimetrodon is more like a mammal than a dinosaur, so why not bring back actual mammals? Extinct warm-blooded creatures like the saber-toothed cat and the wooly mammoth are almost as popular as dinosaurs, and they’re many times treated as being one with them due to no longer being around. This would be far more manageable than dinosaurs, who are much larger than humans and pose a greater threat to them. This threat level is even shared among the herbivores, whose great size makes them perhaps the most dangerous of all.

Such a venture to bring back mammoths, mastodons and smilodons could have been very profitable, especially compared to Biosyn’s destructive bio-locusts. Despite some hackneyed dialogue involving DNA from the Cretaceous period, they have absolutely nothing to do with dinosaurs. If Biosyn worked on a project bringing back prehistoric bugs, the presence of the Dimetrodon is somewhat explained. Still, it should have been spelled out that it wasn’t a dinosaur, something which paleontologists like Alan Grant and Ellie Sattler even failed to note.

To see the Dimetrodon in all its glory, Jurassic World Dominion is now in theaters.

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