- Genus of aggressive wandering spiders native to Central and South America
2. Sydney Funnel-Web Spider (_Atrax robustus_)
- Found in Eastern Australia
3. Six-Eyed Sand Spider (_Sicarius_)
- Genus of six-eyed sand spiders found in southern, dry Africa
4. Brown Recluse Spider (_Loxosceles reclusa_)
- Found in Midwest of United States. Also known as fiddle-back or violin spider
5. Chilean Recluse Spider (_Loxosceles laeta_)
- Southern South America's deadliest spider
6. Yellow Sac Spider (_Cheiracanthium inclusum_)
- Species of sac spider widely distributed near humans (synanthropic). Also known as spitting spiders
7. Hobo Spider (_Tegenaria agrestis_)
- Western, aggressive species of funnel-web spider found in northwest parts of United States and southwest parts of Canada
8. Redback Spider (_Lactrodectus hasselti_)
- Australia and New Zealand: most significant medically important, and most recognisable Australian black widow species
9. Northern Black Widow (_Latrodectus variolus_)
- Throughout eastern and midwestern North America
10. Black Widow Spider (_Latrodectus mactans_)
- Various species of highly venomous spiders of the genus Latrodectus