The full size range of Megaloceros is hard to establish with certainty as different palaeontologists have differing interpretations of the validity of species. Many of the synonyms and species noted above, though widely accepted, are sometimes still listed as being valid or in positions where they are sub groups to the genus. These interpretations come about from the overall similarity of giant deer remains that have been recovered from across Eurasia that although different, still closely match one another in form and proportion. Today the smallest species of Megaloceros is credited as being M. cazioti that was less than one meter tall at the shoulder. However another Pleistocene deer from the island of Crete called Candiacervus rhopalophorus grew to sixty-five centimetres high at the shoulder and is thought by many to actually be a sub genus to Megaloceros. Regardless of size however, studies have shown that the antlers of Megaloceros, while different in form between species, would always be in roughly the same proportion to the body no matter how big the animal.