English: Size of Jaekelopterus, a giant pterygotid eurypterid. The chelicerae and pretelsons are based on material of their respective species, the telson in both is based on that of J. howelli, and parts of the opisthosoma are based on J. rhenaniae. The remainder of the opisthosoma is based on the related Acutiramus and Pterygotus, the prosoma is based on Acutiramus, and the limbs (excluding chelicerae) are based on Pterygotus. The human silhouette is from
File:Silhouette of man standing and facing forward.svg (CC0).
References
Braddy, S.J.; Poschmann, M.; Tetlie, O.E. (2008). "Giant claw reveals the largest ever arthropod". Biology Letters4 (1): 106-109. DOI:
10.1098/rsbl.2007.0491. PMID18029297.
Lamsdell, J.C.; Selden, P.A. (2013). "Babes in the wood--a unique window into sea scorpion ontogeny". BMC Evolutionary Biology13: 98. DOI:
10.1186/1471-2148-13-98. PMID23663507.
Lamsdell, James C.; Braddy, Simon J. (2010). "Cope's Rule and Romer's theory: Patterns of diversity and gigantism in eurypterids and Palaeozoic vertebrates". Biology Letters6: 265–269. DOI:
10.1098/rsbl.2009.0700.
Miller, R. F. (2007). "Pterygotus anglicus Agassiz (Chelicerata: Eurypterida) from Atholville, Lower Devonian Campbellton Formation, New Brunswick, Canada". Palaeontology50: 981-999. DOI:
10.1111/j.1475-4983.2007.00683.x.
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{{Information |Description ={{en|1=Size of ''Jaekelopterus'', the largest arthropod known. This animal was a sea scorpion, a predatory relative of horseshoe crabs. These hunters prowled the waterways, preying on fish, smaller arthropods, and other s...
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