Fig. 1
From: The evolution and distribution of noxious species of scorpions (Arachnida: Scorpiones)

Protobuthus elegans Lourenço & Gall. Fossil scorpion from Early Triassic, France. The specimen, an adult male, clearly presents a telson
From: The evolution and distribution of noxious species of scorpions (Arachnida: Scorpiones)
Protobuthus elegans Lourenço & Gall. Fossil scorpion from Early Triassic, France. The specimen, an adult male, clearly presents a telson