Thamnophis sumichrasti

Ramírez-Bautista, Aurelio, Hernández-Salinas, Uriel, Cruz-Elizalde, Raciel, Berriozabal-Islas, Christian, Moreno-Lara, Israel, DeSantis, Dominic L., Johnson, Jerry D., García-Padilla, Elí, Mata-Silva, Vicente & Wilson, Larry David, 2020, The herpetofauna of Hidalgo, Mexico: composition, distribution, and conservation status, Amphibian & Reptile Conservation (e 224) 14 (1), pp. 63-118 : 104

Thamnophis sumichrasti * (15) Agkistrodon taylori * (17)

Crotalus aquilus * (16)

Crotalus intermedius * (15)

Crotalus polystictus * (16)

Crotalus ravus * (14)

Crotalus totonacus * (17)

Crotalus triseriatus * (16)

Ophryacus smaragdinus * (14)

Terrapene mexicana * (19)

Kinosternon herrerai * (14)

Of these 47 species, 46 are country endemics and one is a state endemic; their EVS values range from 14 to 19.

The TMV region occupies the second RHP rank, with 63 country and state endemics ( Table 17), including 12 anurans (all country endemics), 14 salamanders (10 country endemics and four state endemics), 36 squamates (all country endemics), and one turtle (a state endemic; Table 4). This region also harbors 29 high vulnerability species ( Table 18), including the following two anurans, 12 salamanders, and 15 squamates: