This is a list of spiders with priority to species with medically significant venom. If you have information to correct or add, please contact us or consider becoming a contributor! Thank you!
Last Updated:02/24/2022
| # | Name | Picture |
| 1 | Atrax robustus | Pending |
| 2 | Atrax sutherlandi | Pending |
| 3 | Atrax yorkmainorum | Pending |
| 4 | Latrodectus antheratus | Pending |
| 5 | Latrodectus apicalis | Pending |
| 6 | Latrodectus bishopi | Pending |
| 7 | Latrodectus cinctus | Pending |
| 8 | Latrodectus corallinus | Pending |
| 9 | Latrodectus curacaviensis | Pending |
| 10 | Latrodectus dahli | Pending |
| 11 | Latrodectus diaguita | Pending |
| 12 | Latrodectus elegans | Pending |
| 13 | Latrodectus erythromelas | Pending |
| 14 | Latrodectus geometricus | Pending |
| 15 | Latrodectus hasselti | Pending |
| 16 | Latrodectus hesperus | Pending |
| 17 | Latrodectus hystrix | Pending |
| 18 | Latrodectus indistinctus | Pending |
| 19 | Latrodectus karrooensis | Pending |
| 20 | Latrodectus katipo | Pending |
| 21 | Latrodectus lilianae | Pending |
| 22 | Latrodectus mactans | Pending |
| 23 | Latrodectus menavodi | Pending |
| 24 | Latrodectus mirabilis | Pending |
| 25 | Latrodectus obscurior | Pending |
| 26 | Latrodectus pallidus | Pending |
| 27 | Latrodectus quartus | Pending |
| 28 | Latrodectus renivulvatus | Pending |
| 29 | Latrodectus revivensis | Pending |
| 30 | Latrodectus rhodesiensis | Pending |
| 31 | Latrodectus thoracicus | Pending |
| 32 | Latrodectus tredecimguttatus | Pending |
| 33 | Latrodectus umbukwane | Pending |
| 34 | Latrodectus variegatus | Pending |
| 35 | Latrodectus variolus | Pending |
| 36 | Loxosceles accepta | Pending |
| 37 | Loxosceles adelaida | Pending |
| 38 | Loxosceles alamosa | Pending |
| 39 | Loxosceles alicea | Pending |
| 40 | Loxosceles amazonica | Pending |
| 41 | Loxosceles anomala | Pending |
| 42 | Loxosceles apachea | Pending |
| 43 | Loxosceles aphrasta | Pending |
| 44 | Loxosceles aranea | Pending |
| 45 | Loxosceles arizonica | Pending |
| 46 | Loxosceles aurea | Pending |
| 47 | Loxosceles baja | Pending |
| 48 | Loxosceles barbara | Pending |
| 49 | Loxosceles belli | Pending |
| 50 | Loxosceles bentejui | Pending |
| 51 | Loxosceles bergeri | Pending |
| 52 | Loxosceles bettyae | Pending |
| 53 | Loxosceles blancasi | Pending |
| 54 | Loxosceles blanda | Pending |
| 55 | Loxosceles boneti | Pending |
| 56 | Loxosceles candela | Pending |
| 57 | Loxosceles carabobensis | Pending |
| 58 | Loxosceles cardosoi | Pending |
| 59 | Loxosceles caribbaea | Pending |
| 60 | Loxosceles carinhanha | Pending |
| 61 | Loxosceles carmena | Pending |
| 62 | Loxosceles cederbergensis | Pending |
| 63 | Loxosceles chapadensis | Pending |
| 64 | Loxosceles chinateca | Pending |
| 65 | Loxosceles colima | Pending |
| 66 | Loxosceles conococha | Pending |
| 67 | Loxosceles coquimbo | Pending |
| 68 | Loxosceles corozalensis | Pending |
| 69 | Loxosceles coyote | Pending |
| 70 | Loxosceles cubana | Pending |
| 71 | Loxosceles cubiroensis | Pending |
| 72 | Loxosceles curimaguensis | Pending |
| 73 | Loxosceles dejagerae | Pending |
| 74 | Loxosceles deserta | Pending |
| 75 | Loxosceles devia | Pending |
| 76 | Loxosceles diaguita | Pending |
| 77 | Loxosceles ericsoni | Pending |
| 78 | Loxosceles fontainei | Pending |
| 79 | Phoneutria bahiensis | Pending |
| 80 | Phoneutria boliviensis | Pending |
| 81 | Phoneutria eickstedtae | Pending |
| 82 | Phoneutria fera | Pending |
| 83 | Phoneutria keyserlingi | Pending |
| 84 | Phoneutria nigriventer | Pending |
| 85 | Phoneutria pertyi | Pending |
| 86 | Phoneutria reidyi | Pending |