Below are some confirmed skins, made by the Developers that will be added in the future. It is unclear for when some of the skins/animals will release, but all we know is that they are somewhat confirmed. All my sources and information is from the Dinosaur Simulator discord server. This page is up to date as of : August 30th, 2017.
Chicken's Devsaur by Supernob123 (Coming soon)
New Remake Models
Utahraptor V2 by Koekjeszijnlekker (Coming soon)
Coelophysis V2 by Koekjeszijnlekker (Coming soon)
Baryonyx V3 by Mr_Fantasia (Coming soon)
Futalognkosaurus V2 by servez_2build (Coming soon)
Saurophaganax V2 by Koekjeszijnlekker (Coming soon)
Tyrannosaurus Rex V4 by Koekjeszijnlekker (Coming soon)
Troodon V2 by MysteryBlock (Coming soon)
New Skins and Skin Remakes
Fantasy Quetzalcoatlus V2 by servez_2build and Haxorua
Abrasive Giganotosaurus V2 by ???
Kaiju remakes: (Kaiju Quetzalcoatlus, Kaiju Spinosaurus and Kaiju Baryonyx are the only ones to have been revealed at the moment) by servez_2build and Mr_Fantasia
Giant Albino Baryonyx Remake by ???
Galactic Skins: Galactic Prognathodon, Galactic Acrocanthosaurus by servez_2build, supernob123 and MysteryBlock.
Fossil Skins: Fossil Tyrannosaurus and Fossil Spinosaurus by ???