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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Araneae | Araneidae | Silver argiope | Araña Plateada De Jardín | Argiope argentata | |
| 2 | Araña Tejedora Dorada | Aranha-de-fio-dourado | Trichonephila clavipes | |||
| 3 | Ctenidae | Araña del Bananero | Armadeira | Phoneutria nigriventer | ||
| 4 | Pholcidae | Araña De Patas Largas | Pholcus phalangioides | |||
| 5 | Theraphosidae | Grammostola vachoni | ||||
| 6 | Theridiidae | Viuda Negra Rupícola | Latrodectus mirabilis | |||
| 7 | Scorpiones | Bothriuridae | Escorpión Bonaerense | Bothriurus bonariensis |