25 



Fossil Record 



Carphophis amoenus 

 119, 150. 



Catapleura arkansaw (Extinct) 

 286. 



Coluber constrictor 



119, 150, 382. 



Crotalus horridus 



84, 119, 150, 209, 390. 



Elaphe guttata 

 119, 150. 



Elaphe vulpina 

 119, 166, 182, 183. 



Farancia abacura 

 150. 



Heterodon sp . 

 119. 



Lampropeltis calligaster 

 36, 119, 150. 



Lampropeltis getulus 

 119. 



Lampropeltis triangulum 

 119, 150. 



Masticophis flagellum 

 119, 150, 381. 



Phrynosoma cornutum 

 183, 269, 371, 395. 



Phyllemys barberi (Extinct) 

 286. 



