ユーリプテルス
脚注・出典

[脚注の使い方]
↑  Tetlie, O. Erik (2007-09-03). “Distribution and dispersal history of Eurypterida (Chelicerata)” (英語). Palaeogeography, Palaeoclimatology, Palaeoecology 252 (3):  557–574. doi:10.1016/j.palaeo.2007.05.011. ISSN 0031-0182. http://www.sciencedirect.com/science/article/pii/S003101820700291X.
1 2  Dunlop, J. A., Penney, D. & Jekel, D. 2020. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 20.5
↑  “Eurypterus - definition, etymology and usage, examples and related words”. www.finedictionary.com. 2020年11月27日閲覧。
↑  “The Size that Common Eurypterus Species attained in the Silurian.”. eurypterids.net. 2020年11月27日閲覧。
↑  Tetlie, O. Erik; Briggs, Derek E. G. (2009). “The origin of pterygotid eurypterids (Chelicerata: Eurypterida)” (英語). Palaeontology 52 (5):  1141–1148. doi:10.1111/j.1475-4983.2009.00907.x. ISSN 1475-4983. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1475-4983.2009.00907.x.
↑  Ruebenstahl, Alexander; Jr, Samuel J. Ciurca; Briggs, Derek E. G. (2021/04). “A Giant Eurypterus from the Silurian (Pridoli) Bertie Group of North America”. Bulletin of the Peabody Museum of Natural History 62 (1):  3–13. doi:10.3374/014.062.0101. ISSN 0079-032X. https://bioone.org/journals/bulletin-of-the-peabody-museum-of-natural-history/volume-62/issue-1/014.062.0101/A-Giant-Eurypterus-from-the-Silurian-Pridoli-Bertie-Group-of/10.3374/014.062.0101.full.
1 2 3  Selden, Paul A. (1981). “Functional morphology of the prosoma of Baltoeurypterus tetragonophthalmus (Fischer) (Chelicerata: Eurypterida)” (英語). Transactions of the Royal Society of Edinburgh: Earth Sciences 72 (1):  9–48. doi:10.1017/S0263593300003217. ISSN 0263-5933. https://www.cambridge.org/core/product/identifier/S0263593300003217/type/journal_article.
1 2 3  Tollerton, V. P. (1989). Morphology, taxonomy, and classification of the order Eurypterida, Burmeister, 1843. doi:10.1017/S0022336000041275. https://www.semanticscholar.org/paper/Morphology,-taxonomy,-and-classification-of-the-Tollerton/8a88127fcbe471d10664b5caa6a369fc08438d59.
1 2  Braddy, Simon (1997). “The functional morphology of mating in the Silurian eurypterid, Baltoeurypterus tetragonophthalmus (Fischer, 1839)” (英語). Zoological Journal of the …. https://www.academia.edu/320306/The_functional_morphology_of_mating_in_the_Silurian_eurypterid_Baltoeurypterus_tetragonophthalmus_Fischer_1839_.
↑  “Eurypterid respiration” (英語). Philosophical Transactions of the Royal Society of London. B, Biological Sciences 309 (1138):  219–226. (1985-04-02). doi:10.1098/rstb.1985.0081. ISSN 0080-4622. https://web.archive.org/web/20110803072635/http://homepage.mac.com/paulselden/Sites/Website/EuryResp.pdf.
↑  Selden, Paul A.; Jeram, Andrew J. (1989). “Palaeophysiology of terrestrialisation in the Chelicerata” (英語). Earth and Environmental Science Transactions of the Royal Society of Edinburgh 80 (3-4):  303–310. doi:10.1017/S0263593300028741. ISSN 1755-6910. https://web.archive.org/web/20110803072642/http://homepage.mac.com/paulselden/Sites/Website/Palaeophysiology.pdf.
ユーリプテルスの腹面構造（1：鋏角、2-6：脚、7：下層板、8：生殖口蓋と生殖肢 (type A)、9-13：呼吸器のある蓋板）
ユーリプテルスの背面（上）と腹面（下）の復原図