Monstrosity

Mon*stros"i*ty (?), n.; pl. Monstrosities (#). [Cf. F. monstruosité. See Monstrous.] The state of being monstrous, or out of the common order of nature; that which is monstrous; a monster. South.

A monstrosity never changes the name or affects the immutability of a species.
Adanson (Trans. ).