Fossil arachnids date back more than 400 million years to the Silurian period, making them one of the first animal groups to appear in terrestrial ecosystems. T

Compared to insects, fossil spiders have received only scant attention in the literature. Previously, the only works available were numerous scientific papers,

The arachnids include some of the planet's most feared creatures, such as venomous scorpions and deadly funnel-web spiders. Other arachnids-like the tiny house