Reversalmander: A thermostatic amphibian which able to instantly evaporate ejected mucus. Cervical spine rotates 180 degrees when growing up from tadpoles.
KAPPAs
Abyssal salamander
Tongue Dragonfly: Giant neoteny Dragonfly will maintain the appearance of larvae all its life and replace the tongue of parasitic animals.
Ketsalhydra: sometimes three heads prey at the same time. Only individual with a large enough chest will not choke when eating.