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Crotalus lepidus maculosus Crotalus lepidus klauberi Crotalus lepidus Crotalus aquilus Crotalus lepidus morulus Crotalus triseriatus Crotalus pusillus Crotalus armstrongi Crotalus ravus Crotalus ravus brunneus Crotalus ravus exiguus
0 1.58 3.15 4.73 6 Time (MYA)
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