1) Family pythonidae 2) Reptile family 
The Pythonidae, commonly known simply as pythons, from the Greek word python (πυθων), are a family of nonvenomous (though see the section `Toxins` below) snakes found in Africa, Asia and Australia. Among its members are some of the largest snakes in the world. Eight genera and 26 species are currently recognized. ==Geographic range== Python.....
(from the article `snake`) ...New World tropics, Madagascar, and the southwestern Pacific. Size moderate to very large, 1–8 metres. Pelvic vestiges present. Bears living ...
[n] - in some classifications a family separate from Boidae comprising Old World boas
family Pythonidae noun in some classifications a family separate from Boidae comprising Old World boas