-
* Agkistrodontini - Hoge & Romano-Hoge, 1983
(xsd:string)
-
* Agkistrodontinii - Hoge & Romano-Hoge, 1981
(xsd:string)
-
* Bothrophera - Garman, 1884
(xsd:string)
-
* Bothrophes - Fitzinger, 1843
(xsd:string)
-
* Cophiadae - Boie, 1827
(xsd:string)
-
* Cophiinae - Cope, 1895
(xsd:string)
-
* Crotales - Cuvier, 1817
(xsd:string)
-
* Crotalida - Strauch, 1873
(xsd:string)
-
* Crotalidae - Gay, 1825
(xsd:string)
-
* Crotalina - Bonaparte, 1831
(xsd:string)
-
* Crotalinae - Cope, 1860
(xsd:string)
-
* Crotalini - Oppel, 1811
(xsd:string)
-
* Crotaloidae - Fitzinger, 1826
(xsd:string)
-
* Crotaloidei - Eichwald, 1831
(xsd:string)
-
* Lachesinae - Cope, 1900
(xsd:string)
-
* Lachesinii - Smith, Smith & Sawin, 1977
(xsd:string)
-
* Teleuraspides - Cope, 1871
(xsd:string)
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