A fossorial is an organism that is adapted to digging and life underground such as the mole salamanders Ambystomatidae. In biology and ecology, an organism (in Greek organon = instrument) is a complex adaptive system of organs that influence each other in such a way that they function as a more or less stable whole and have properties of life. ... Genera   Ambystoma   Rhyacosiredon Mole salamanders (family Ambystomatidae) are secretive salamanders which spend most of their adult life underground or under cover. ...