Announcements from Manchester and the Natural History Museum call Praearcturus gigas the largest scorpion ever to exist, about a metre long. The revision they are announcing states no total body length for it, and no specimen preserves a sting.
A fossil pincer held at the Natural History Museum in London is more than 159 millimetres long. One of the largest scorpions alive today, Gigantometrus swammerdami, has a pincer of 37 millimetres, a … [+12045 chars]