How does *A. maculatum*'s respiration differ fundamentally from the Plethodontidae family?

Answer

It possesses lungs, though skin breathing is supplementary.

Unlike the Plethodontidae, which lack lungs entirely and breathe only through skin and mucous membranes, *A. maculatum* possesses lungs, although cutaneous respiration remains a necessary supplementary function.

How does *A. maculatum*'s respiration differ fundamentally from the Plethodontidae family?
animalclassificationSalamander