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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Opiliones | Gonyleptidae | Chinchina Of The "sierras De Córdoba" | Opilión de las Sierras Pampeanas | Pachyloidellus butleri | |
| 2 | Araneae | Sparassidae | Arañon del Monte | Polybetes pythagoricus | ||
| 3 | Theridiidae | Viuda Parda | Latrodectus geometricus | |||
| 4 | Scorpiones | Buthidae | Escorpión Tityus | Tityus carrilloi |