Button Spider: These African spiders, the world's most poisonous, make snakes prey in a jiffy – PressWire18
Button spider bites
South African Spiders: Cute as a Button Spider – Expatorama
A Black Button Spider... - African Snakebite Institute | Facebook
The Spider Club of Southern Africa | Another photo of the recently described Phinda button spider (*Latrodectus umbukwane*), quite possibly the largest button/widow spider in the world