Technically speaking monster girls would be a sub-species of humans as a whole cause in order for something to be recognized as a species it has to be genetically different enough to where crossbreeding with other species is either impossible or really hard.
The reason why we classify it this way is that way is funnily enough has to do with humans. Originally there were dozens of hominids but because our ancestors interbred with them so fast that gave rise to modern humans.
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YourHigherBrainFunctions
Oct 22, 2017 at 03:14PM EDT in reply to
Themilo
Oct 22, 2017 at 08:57AM EDT