 The lizards were so named after the fictional dragon for being armoured, dwelling underground, and native to Tolkien's birthplace, Bloemfontein.In 2015, a new species of shield bug was named "Planois smaug", because of its size and its status "sleeping" in the researcher's collections for about 60 years until it was discovered.An ant species has been named "Tetramorium smaug".