Classification
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Porthidium - Hog-nosed Pitvipers
- Porthidium dunni - Dunn's Hog-nosed Viper
- Porthidium hespere - Western Hog-nosed Pitviper
- Porthidium nasutum - Rainforest Hog-nosed Pitviper
- Porthidium yucatanicum - Yucatán Hog-nosed Pitviper
