Which genus specifically houses the rock-wallabies adapted for rocky terrain?
Answer
*Petrogale*
The classification system uses genus assignment to reflect specialized adaptations tied to environment and morphology. The genus *Petrogale* is reserved specifically for the rock-wallabies. These marsupials exhibit distinct physical adaptations directly related to their environment, most notably possessing specialized, non-slip pads on their feet that enable them to effectively climb and navigate steep, rugged, rocky surfaces. This adaptation sets them apart ecologically and morphologically from wallabies inhabiting more generalized forest or grassland environments classified under other genera.
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