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Temporal range: Wenlock–Early Devonian
The Eurypterida of New York plate 88.jpg
Drawing of the type specimen.
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Scorpiones
Family: Proscorpiidae
Genus: Proscorpius
Scudder, 1885
Type species
Proscorpius osborni
Scudder, 1885
  • Archaeophonus Kjellesvig-Waering, 1966
  • Stoermeroscorpio Kjellesvig-Waering, 1966

Proscorpius (meaning 'dawn scorpion') is an extinct genus of proscorpiid scorpion that was originally thought to have been a eurypterid. Proscorpius lived during the Silurian and Devonian periods (about 430-418 ma). The type and only species, Proscorpius osborni is currently the world's oldest scorpion. It was discovered in an epifaunal stratum of New York.[1]

See also[edit]


  1. ^ Andrew Jeram (June 16, 1990). "When scorpions ruled the world". New Scientist.