True chameleons include the following genera: Archaius, Bradypodion, Brookesia, Calumma, Chamaeleo, Furcifer, Kinyongia, Nadzikambia, Palleon, Rhampholeon, Rieppeleon and Trioceros.
Chameleons have acrodont teeth meaning they are an extension of the jawbone. They are not set in sockets nor are they replaced.
There are currently 202 recognized chameleon species and 85 of them are found on the island of Madagascar.
Chameleons have a very poor sense of smell.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.
The word Rieppeleon is named after the scientist Olivier Rieppel.
Some chameleons play dead to avoid predation; this is called thanatosis.
The horns on a chameleon are made up of ringlike segments of inner bone covered by a hard keratin-like skin.
Pygmy chameleons have bicuspid claws where each claw has two points like a crescent moon.
The word Calumma comes from the Latin word for covering. This genus consists of chameleons from Madagascar with occipital lobes.