12 



Storeria occipitomaculata 

 Thamnophis butleri 

 Thamnophis eleqans 

 Thamnophis ordinoides 

 Thamnophis radix 

 Thamnophis sirtalis 

 Uromacer catesbvi 

 Uromacer oxyrhynchus 



1 



1 



1 



1 



1 



1,3,5,19 



10 



10 



FAMILY HYDROPHIIDAE 



Enhydrina schistosa 

 Laticauda colubrina 

 Pelamis platurus 



4,7 



3 



18 



FAMILY VI PERI DAE 



Aakistrodon contortrix 

 Bothrops atrox 

 Crotalus atrox 

 Crotalus cerastes 

 Crotalus horridus 

 Crotalus mitchelli 

 Crotalus molossus 

 Crotalus scutulatus 

 Crotalus viridis 

 Sistrurus catenatus 

 Trimeresurus flavoviridis 

 Vipera sp. 

 Vipera berus 



1, 3, 9, 16,19 



19 



1, 9, 19 



19 



1, 2, 3, 19, 20 



19 



1, 9 



1, 9 



1, 2, 6, 8, 12, 19, 20 



6, 19 



19,20 



16 



20 



