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Temporal range: Visean
~338 Ma
Pulmonoscopius BW.jpg
Artist's rendition of Pulmonoscorpius
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Scorpiones
Family: Centromachidae
Genus: Pulmonoscorpius
Jeram, 1994
Species: P. kirktonensis
Binomial name
Pulmonoscorpius kirktonensis
Jeram, 1994

Pulmonoscorpius kirktonensis (literally lung scorpion) is a giant species of extinct scorpion[1] that lived during the Viséan epoch of the Carboniferous. Its fossils were found at East Kirkton Quarry, West Lothian in Scotland. In life, this species grew to 70 centimetres (28 in) long.[2] The diet of Pulmonoscorpius is not known directly, but smaller arthropods may have formed part of its diet, and its sting may have been able to fell small tetrapods.[3]


  1. ^ Andrew J. Jeram (1998). "Phylogeny, classification and evolution of Silurian and Devonian scorpions". In Paul A. Selden. Proceedings of the 17th European Colloquium of Arachnology, Edinburgh 1997 (PDF). British Arachnological Society. pp. 17–31. ISBN 0-9500093-2-6. Archived from the original (PDF) on 2011-07-25. 
  2. ^ N. Scott Rugh. "Fossil Insects and Crustaceans. Armored beasts in the San Diego Natural History Museum's Paleontology Collection". San Diego Natural History Museum. Retrieved March 25, 2011. 
  3. ^ Jennifer A. Clack (2002). "East Kirkton and the roots of the modern family tree". Gaining Ground: the Origin and Evolution of Tetrapods. Life of the past. Indiana University Press. pp. 212–233. ISBN 978-0-253-34054-2. 

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