This is my vote, although I hope they add torpor inducing to its bite because we need a better animal for that and not just use tek bows and tranq darts. Plus a mammal was the first venomous creature in history.
https://www.wits.ac.za/future/stories/technology-confirms-theory-about-earths-oldest-venomous-species.html#:~:text=The results%3F,when it comes to venom).