References 参考文献:

• Clarke, John Mason; Ruedemann, Rudolf. (1912). The Eurypterida of New York. Albany,: New York State Education Department.

Overall reconstruction.

全体的復元。

• Kjellesvig-Waering, Erik N. (1964). A Synopsis of the Family Pterygotidae Clarke and Ruedemann, 1912 (Eurypterida). Journal of Paleontology 38 (2): 331–361.

Telson.

尾節。

• Selden PA. (1984-01). Autecology of Silurian eurypterids. Spec. Pap. Palaeontol. 32, 39–54.

Chelicerae (segmentation).

鋏角（分節）。

• Selden, Paul A. (1986). A new identity for the Silurian arthropod Necrogammarus.

Pedipalps.

触肢。

• Bicknell, Russell D. C.; Kenny, Katrina; Plotnick, Roy E. (2023-11-20). Ex vivo three-dimensional reconstruction of Acutiramus : a giant pterygotid sea scorpion (American Museum novitates, no. 4004). ISSN 0003-0082.

Position of chelicerae and appendage II-V.

鋏角と第2-5付属肢の位置。