ユーリプテルス
↑ “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.