Herpetofauna vs. Herptile: What's the Difference?

Herpetofauna and Herptile Definitions
Herpetofauna
Reptiles and amphibians as a group, especially those of a particular region or time period.
The island is noted for its diverse herpetofauna.
The herpetofaunas of the two regions reflect the differences in their geological histories.
Herptile
A reptile or amphibian.