Beasts of old Procoptodon ,Thylacoleo and the Thylacine

These Australian mega fauna lived in pre history the Thylacoleo was also known as the marsupial lion hunted large marsupials such as the Procoptodon the Thylacoleo would only attack players when they get within it's den and it would be tameable using chicken or the new kangaroo meat that the Procoptodon would drop it would be mountable and it can jump farther than a horse and when it collides with a mob after it jumps the enemy mob takes 12 damage The Procoptodon would be breedable and would attack the player once the player attacks the Procoptodon the Procoptodon would flee from the Thylacoleo. The Thylacine also known as the marsupial wolf or tasmanian tiger would hunt baby Procoptodons, Chickens and rabbits would be tameable if you breed the parents the baby would be tameable The Thylacine would be like a wolf but it Carries it baby in it's pouch if the parent dies while the babyThylacine is in the pouch the baby would fall on the ground and take 2 hearts of damage and would look for the nearest adult thylacine It would be tameable with kangaroo meat ,chicken rabbit or any other meat. It would also not drop any exp when killed because humans didn't get anything out of killing them in the first place. Also unlike wolfs they can hold items in there pouch.