 Crotalus aquilus Mexico, San Luis Potosi |
 Crotalus aquilus Mexico, San Luis Potosi |
 Crotalus lepidus AZ, Santa Rita Mts. |
 Crotalus lepidus Mexico, Chihuahua |
 Crotalus lepidus Mexico, Durango |
 Crotalus lepidus Mexico, Jalisco |
 Crotalus lepidus Mexico, Sonora |
 Crotalus lepidus Mexico, Zacatacas |
 Crotalus lepidus NM, Hidalgo Co. |
 Crotalus lepidus TX, Culberson CountyGuadalupe Mts. |
 Crotalus lepidus TX, Culberson CountyGuadalupe Mts. |
 Crotalus lepidus TX, Hudspeth Co., Hueco Mts. |
 Crotalus lepidus TX, Hudspeth Co., Indio Mts. |
 Crotalus lepidusTX, Hudspeth Co., Quitman Mts. |
 Crotalus lepidusTX, Hudspeth Co., Quitman Mts. |
 Crotalus lepidus TX, Pecos Co. |
 Crotalus lepidus TX, Real Co. |
 Crotalus lepidus TX, Real Co. |
 Crotalus lepidus TX, Real Co. |
 Crotalus lepidus Zoo specimen |
 Crotalus morulusMexico, Nuevo Leon |
 Crotalus morulus Mexico, Nuevo Leon |
 Crotalus morulus Mexico, Nuevo Leon |
 Crotalus morulus Mexico, Nuevo Leon |
 Crotalus morulus Mexico, Nuevo Leon |
 Crotalus morulus Mexico, Tamaulipas |
 Crotalus morulus Mexico, Tamaulipas |
 Crotalus morulus Zoo specimen |