Name a proven single Mammal species that evolved into 2 proven entirely different species.
We are not your mommies. And we really do not care whether or not you accept the fact that is evolution.
In fact, let me give you a dose of reality, using an exercise that will expose both your willful ignorance and your dishonesty:
Evolution is an established fact, supported by mountains of mutually supportive evidence. That being the case, it's more fair to make demands of you. I will start:
If we had no conclusive evidence of one mammal species evolving into two different species, how would this undermine or contradict the theory of evolution? Be specific, "professor".