(en) Erik N. Kjellesvig-Waering, « Eurypterids of the Devonian Holland Quarry shale of Ohio », Fieldiana Geology, vol. 14, , p. 79-98 (lire en ligne [PDF])
doi.org
dx.doi.org
(en) Simon J. Braddy, Markus Poschmann et O. Erik Tetlie, « Giant claw reveals the largest ever arthropod », Biology Letters, vol. 4, no 1, , p. 106-109 (PMID18029297, PMCID2412931, DOI10.1098/rsbl.2007.0491)
(en) Gina C. Gould et Bruce J. MacFadden, « Chapter 17: Gigantism, Dwarfism, and Cope's Rule: "Nothing in Evolution Makes Sense without a Phylogeny" », Bulletin of the American Museum of Natural History, vol. 285, , p. 219-237 (DOI10.1206/0003-0090(2004)285<0219:C>2.0.CO;2, S2CID73556985)
(en) Erik N. Kjellesvig-Waering, « A Synopsis of the Family Pterygotidae Clarke and Ruedemann, 1912 (Eurypterida) », Journal of Paleontology, vol. 38, no 2, , p. 331-361 (JSTOR1301554)
nih.gov
ncbi.nlm.nih.gov
(en) Simon J. Braddy, Markus Poschmann et O. Erik Tetlie, « Giant claw reveals the largest ever arthropod », Biology Letters, vol. 4, no 1, , p. 106-109 (PMID18029297, PMCID2412931, DOI10.1098/rsbl.2007.0491)
(en) Gina C. Gould et Bruce J. MacFadden, « Chapter 17: Gigantism, Dwarfism, and Cope's Rule: "Nothing in Evolution Makes Sense without a Phylogeny" », Bulletin of the American Museum of Natural History, vol. 285, , p. 219-237 (DOI10.1206/0003-0090(2004)285<0219:C>2.0.CO;2, S2CID73556985)