unlikely survivals

As is proposed in Cryptozoology A to Z (if you don't own it I recommend it) I believe the neanderthals remain in existance in small throngs or 'tribes'. They were a successful species, very intelligent, and rumors of 'wild men' are prevalent worldwide. Would anyone know of any related media...

This has probably been asked before but i probably missed it! Anyone have any thoughts as to whether Carcaradon Megalodon is still swimming around somewhere in the murky depths of the ocean? There was the report from around the 1920s in Australia (i think) of a white coloured shark of around 50...