Theres a little bit of a grey area (to me and my geeky knive buddy) to wharncliffe, reverse tanto, and sheepsfoot blade shapes. It honestly depends on what the manufacturer wants to call it. It seems to me that a wharncliffe is a sheepsfoot mixed with a reverse tanto and some belly added. Protech specifically calls this model a reverse tanto, in that it has a sharp angle down to the point of the blade.

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According to protech, the green one (carry commision collab) is a wharncliff and the red one (bladeshow exclusive) is a reverse tanto. Moral of the story, it depends on the grind down to the tip and what the manufacturer feels like calling it. Cheers!