Subspecies[ref 1]
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Taxon author[ref 1]
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Common name
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Geographic range
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C. d. cumanensis
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Humboldt, 1833
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Venezuelan rattlesnake[ref 2]
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Dry lowlands of Venezuela and Colombia
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C. d. durissus
|
Linnaeus, 1758
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South American rattlesnake[ref 3]
|
Coastal savannas of Guyana, French Guiana and Suriname
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C. d. marajoensis
|
Hoge, 1966
|
Marajon rattlesnake[ref 4]
|
Known only from Marajo Island, Para State, Brazil
|
C. d. maricelae
|
García Pérez, 1995
|
|
Bolson arido de Lagunillas, Estado Mérida, Venezuela
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C. d. ruruima
|
Hoge, 1966
|
|
Known from the slopes of Mount Roraima and Mount Cariman-Perú in Venezuela (Bolívar). A few specimens have been recorded in Brazil (Roraima).[ref 3]
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C. d. terrificus
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(Laurenti, 1768)
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Cascavel[ref 2]
|
Brazil south of the Amazonian forests, extreme southeastern Peru, Bolivia, Paraguay, Uruguay, northern Argentina
|
C. d. trigonicus
|
Harris & Simmons, 1978
|
|
Inland savannas of Guyana
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