Aquatic Reptile Predictions

[Butter]

Since aquatic reptiles have been confirmed for JWE 2, let's discuss which one's could potentially make it into the game. Right now the only one confirmed is the Mosasaurus, but I doubt it'll be the only one. I also doubt we'll see any aquatics that aren't from the mesozoic, this is Jurassic Park/World after all.
Here's the list:
Mosasaurus - Already Confirmed
Tylosaurus - The most famous mosasaur besides mosasaurus it self. Could be added as a more scientifically accurate alternative to the mosa.
Plesiosaurus - Type species of the plesiosauria.
Icthyosaurus - Type species of the icthyosauria, could serve as an underwater equivalent to the various ornithomimids.
Liopleurodon - Made famous by walking with dinosaurs where it was shown to be 25 meters long, now we know it's only a measly five meters.
Ophthalmosaurus - Another one made famous by walking with dinosaur, could serve as an alternative to the icthyosaurus.
Elasmosaurs - Plesiosaur notable for it's extremely long neck.
Pliosaurus - Type species of the pliosauia and notable for being one of it's largest members at 10 meters in length.
Kronosaurus - Another large pliosaurs notable for it's cool name and being from Australia.
Shonisaurus/Shastasaurus - I put them together since the're basically the same animal. Gigantic triassic icthyosaurs measuring up to 21 meters making them the largest marine reptiles to ever exist.
Nothosaurus - Close relatives of the plesiosaurs, essentially reptilian seals.
Tanystopheus - A bizzare triassic reptile that behaved like a living fishing pole.
I doubt all of these will make it in, but these are the most notable one's I could think of.

 

[Thylaco]

I think that's fairly accurate, though Pliosaurus and Kronosaurus seem that little bit too similar in size and shape I think (one could be blubbered and the other blubberless I suppose). Tanystropheus is also not an aquatic species by the modern interpretation as far as I understand it (a terrible swimmer last I heard).

I can make a few assumptions of what's probably not there, the Hupehsuchians come to mind, they're quite distinct, but also quite small (Parahupehsuchus is the largest genus, a bit smaller than 2m in length)

Placodonts also come to mind, they are fairly diverse in form, but not that popular in my experience (smallish size probably has a bit to do with it).

 

[Butter]

I think that's fairly accurate, though Pliosaurus and Kronosaurus seem that little bit too similar in size and shape I think (one could be blubbered and the other blubberless I suppose). Tanystropheus is also not an aquatic species by the modern interpretation as far as I understand it (a terrible swimmer last I heard).

I know, but it did live in a semi-aquatic environment so I figured I'd put it on the list anyways even though, ecologically, it's more similar to herons than any of the fully aquatic reptiles.

Another obscure group I forgot to mention was the thalattosuchians, or marine crocodiles, with the most famous one being Metriorhynchus. Albeit I could see them getting skipped in favor of some of the smaller mosasaurs and pliosaurs which fill the same niche.