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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Squamata | Colubridae | Culebra Verde Oliva | Chironius bicarinatus | ||
| 2 | Two-colored Mussurana | Musurana Bicolor | Mussurana bicolor | |||
| 3 | Ocellated Pampas Snake | Falsa Yarará Ocelada | Cobra-espada-pampeana | Tachymenis ocellata | ||
| 4 | Ringed Hognose Snake | Falsa Yarará Ñata | Nariguda | Xenodon dorbignyi | ||
| 5 | Dipsa | Tropical Forest Snake | Culebra Jaspeada | Cobra-espada Dos Pampa | Calamodontophis paucidens |