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

Pulmonoscorpius kirktonensis (literally lung scorpion and also called breathing scorpion) is an extinct species of giant scorpion[1] that lived during the Viséan age of the Carboniferous.


Its fossils were found at East Kirkton Quarry, West Lothian in Scotland. 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.[2]


  1. ^ Andrew J. Jeram (1998). "Phylogeny, classification and evolution of Silurian and Devonian scorpions". In Paul A. Selden (ed.). 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. ^ 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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