Phrynosoma cerroense, Stejneger, 1893

Peralta-García, Anny, Valdez-Villavicencio, Jorge H., Fucsko, Lydia Allison, Hollingsworth, Bradford D., Johnson, Jerry D., Mata-Silva, Vicente, Rocha, Arturo, DeSantis, Dominic L., Porras, Louis W. & Wilson, Larry David, 2023, The herpetofauna of the Baja California Peninsula and its adjacent islands, Mexico: composition, distribution, and conservation status, Amphibian & Reptile Conservation (e 326) 17 (1), pp. 57-142 : 114

Phrynosoma cerroense ** (14)

Lampropeltis herrerae ** (20)

Pituophis insulanus ** (17)

Crotalus mitchellii ** (15)

Of the 10 species in the PIR, eight are peninsular endemics and two are non-endemics. As a group, their EVS values range from 14 to 20.

The 7 th rank is held by the MR, the Magdalena Region, which includes the following nine high vulnerability species: