Glossolithia is a specialized and extreme version of Lithodermia, specifically affecting the tongues of Feral Blues, leading to inflammation and a dry, stonelike appearance. It is a symptom in Feral Blue Syndrome, and exclusive to the Blue genotype.
Glossolithia is distinguished from Lithodermia in that it includes the genetic and trained extension of the tongue & supporting musculature, leading to an enlarged and more prehensile structure.