Fossilised spider 'biggest on record' The female, which lived about 165 million years ago, belongs to a collection of spiders well known today - the golden orb weavers. Until this new fossil turned up in Inner Mongolia, the most ancient example from this
Calcite with quartz from Huanggang Mine, Inner Mongolia, China. The quartz at the center of the stacked calcite disks is better exposed in some of the specimens that they have at the show. Photo credit: Jeffrey A.