This is a list of reptiles of Pennsylvania as listed by the Pennsylvania Fish and Boat Commission.
The species are listed as in the PFBC list, with the exception of introduced species, which are derived from other sources.
Notes on ranges provided by Pennsylvania Amphibian & Reptile Survey.
[2] Family: Chelydridae - snapping turtles Family: Emydidae - pond turtles Family: Kinosternidae - mud and musk turtles Family: Trionychidae - softshell turtles Order: Squamata Clade: Sauria/Lacertilia - lizards Family: Gekkonidae - geckos Family: Lacertidae - wall lizards Family: Phrynosomatidae - earless, spiny, tree, side-blotched and horned lizards Family: Scincidae - skinks Clade: Serpentes - snakes Family: Colubridae - colubrid snakes Family: Viperidae - pit vipers Reptiles released from the pet trade can be seen in Pennsylvania.
Released pets can eventually become established breeding populations, such as in the case of the red-eared slider, which is now illegal to own in many countries.