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My creature is a B.O.W, designed to be especially good at ambushing and to use its Jaws as it's main weapon. It's basic hunting strategy is similar to the spectral bat's, immobilizing prey and delivering a bite to the skull to kill it. Additionally, it also possesses a ranged blasting attack from its mouth (supplied by mechanical enhancements inside its chest, no need to enter in the dragon breath matter), but that's secondary. enter image description here this image is merely illustrative of how I'd like the jaw to be able to move. Source is hyperendocrin giganotosaur from the game "the isle"

However, observing cases like crocodiles and the T-rex, it appears that their bite force seem to be linked to a lack of mobility in the skull,usually meaning lateral jaw articulation is minimal.

Based on this, could the B.O.W keep the necessary bite force, while having a splitting lower jaw, by earth standards?

Note: the creature is bipedal, 2m tall, weights around 120 kg and is a good climber, usually surprising prey by dropping on it. It's main target consists of humans (which is why it needs powerful bite). Going for the neck is a secondary strategy, should the head prove to be too heavily protected, but not its main strategy. The creature has an ideal bite force of around 5000 newtons (whether it will use teeth out sharpened plates isn't yet decided,but I plan to use bony plates as dentition), more that what's required to bite through a human skull through the temples.

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  • $\begingroup$ How split is the jaw? on the image you used the centre of the split, if designed better could carry the strong biting force whilst the sides are just to wrap around whatever it bites. $\endgroup$ – user69935 Apr 22 at 14:17
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    $\begingroup$ Try to focus on one thing at a time! Bite force OR heat resistance. This is essentially two separate and equally deserving of our attention questions! I'm going to vote to close until you determine which one you wish to focus on. And please! Ask the other question separately! $\endgroup$ – elemtilas Apr 22 at 14:32
  • $\begingroup$ @RandySavage could you please elaborate? I didn't quite understand what you mean $\endgroup$ – ProjectApex Apr 22 at 15:28
  • $\begingroup$ @ProjectApex I wasn't sure how similar your design is to the image, you could have a split that is V shaped or as in the design there Is a gap, also not sure if the split is necessary just for the heat issue, other aspects can help with the heat but these can be addressed when you split the questions. $\endgroup$ – user69935 Apr 22 at 15:45
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    $\begingroup$ @RandySavage I've edited the question so that the heat issue is secondary to the bite force. I'm actually interested in a possible way for the splitting to aid in the biting rather and use other mechanisms to deal with the heat. $\endgroup$ – ProjectApex Apr 22 at 15:51
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It might be possible with the right tendon setup to get some of what you are looking for.

If the tendons wrap around from the inside groove of the split jaw and you have massive muscles on the outside of the split to open the jaw. The muscles would stretch the tendons resulting in a snapping force. I would include some sort of catch in the jaw hinge so that the jaws can be sort of locked open. That would avoid having to spend energy holding the jaw open. This would operate the jaws like a bear trap.

This would result in a lot of force in the initial snap but very little force holding the jaw shut. It probably would not have room for much muscle on the inner edge with all that tendon. It would probably have just enough muscle to keep the jaw from swinging open as it walks or runs.

I would recommend backward facing piercing teeth on the split lower jaw because the tendons will be the only thing holding the jaws shut. So, they won't be able to hold onto the prey without some help.

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I don't think the jaw can be split and have a powerful bite force but here a few possible ideas:

  1. A mechanical split jaw. It already has a mechanical enhancement for it blast attack so it could have an extremely powerful mechanical jaw.
  2. Don't have the jaw split, have it open really wide so its own blast attack doesn't burn its own mouth. The Hippo has the 2nd most powerful bite at 8100 newtons and their mouth can open ridiculously wide.
  3. The split is like an insects mandibles but their attached to a lower jaw, they wont be capable of a strong bite force but used for better latching on to their prey, when the flaps/ mandibles fold down they reveal some serious tusks that will be perfect for cracking skulls.
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In a split jaw, the jaws, jaw muscles, and jaw joint would need to all be anchored into the same plane, which would prevent an opening lower jaw. However, if the upper jaw is also split, then the lower jaw and muscles could be attached to the upper jaw, allowing the entire jaw system to move apart freely, resulting in a jaw similar to the chelicerae of a camel spider

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