1. Plethodontidae

2. Characteristics Robust to elongated body shapes
Have webbed feet and prehensile tails
Aquatic to Arboreal
Most diverse and speciose group of salamanders (approx. 400)
Nasolabial Grooves (aids in chemoreception)
Extensively radiated in tropics
All species are lungless
Includes smallest and some of the largest salamanders (30mm - 320mm)

3. Bolitoglossa pesrubra

4. Plethodon idahoensis

5. Plethodon mississippi

6. Plethodon glutinosus

7. Plethodon shermani

8. Hemidactylium scutatum

9. Nyctanolis pernix

10. Pseudoeurae gigantae

11. Stereochilus marginatus

12. Ensatina eschscholtzii