From Kazlev, 2000, and Stott, Tetlie, Braddy, Nowlan, Glasser & Devereux, 2005
<==o †Hughmillerioidea Kjellesvig-Waering, 1951 [nom. trans. Størmer, 1974] |-- †Orcanopterus manitoulinensis Stott, Tetlie, Braddy, Nowlan, Glasser & Devereux, 2005 |--o †Hughmilleriidae Kjellesvig-Waering, 1951 | |?-o †Hastimima White, 1908 | | `-- †H. whitei | |--o †Hughmilleria Sarle, 1902 | | |-- †H. socialis Sarle, 1902 | | |-- †H. norvegica (Kiaer,) | | |-- †H. banksii (Salter, 1856) | | `-- †H. bellistriata Kjellesvig-Waering, | |-- †Salteropterus abbreviatus (Salter, 1859) Kjellesvig-Waering, 1951 [Eurypterus abbreviatus Salter, 1859] | |-- †Grossopterus overathi (Gross, 1933) Størmer, 1934 [Eurypterus? overathi Gross, 1933] | |--o †Lepidoderma Reuss, 1855 [non Waterhouse, 1875, nec Zlinka, 1889] [=? Adelophthalmus Jordan & Meyer, 1856; Anthraconectes Meek-W., 1868] | | |-- †L. imhofi (Jordan & Meyer, 1856) [=? Adelophthalmus imhofi Jordan & Meyer, 1856] | | |-- †L. mansfieldi (Hall, C. E.,) | | `-- †L. mazonense (Meek-W.) | |-- †Parahughmilleria hefteri Störmer, 1974 | `-- †Waeringopterus Leutze, 1961 `--o †Carcinosomatidae Størmer, 1934 [Carcinosomidae Størmer, 1934] |?- †Holmipterus Kjellesvig-Waering, 1979 |--o †Carcinosoma Claypole, 1890 [pro Eurysoma Claypole, 1890 (non Koch, 1839; nec Dujardin, 1845)] | |-- †C. newlini (Claypole, 1890) [Eurysoma newlini Claypole, 1890] [= Eusarcus Grote & Pitt, 1875 (non Perty, 1833)] | |-- †C. vaningeni Clark & Ruedemann | |-- †C. scorpionis (Grote & Pitt) | |-- †C. libertyi Copeland & Bolton, 1960 | `-- †C. logani (Williams, 1915) |-- †Eocarcinosoma Caster & Kjellesvig-Waering, 1964 |-- †Paracarcinosoma Caster & Kjellesvig-Waering, 1964 `-- †Rhinocarcinosoma Novojilov, 1962
Reference(s):
- Braddy, S. J. & Dunlop, J. A., 2000: Early Devonian eurypterids from the Northwest Territories of Arctic Canada.
–Canadian Journal of Earth Sciences: Vol. 37, pp. 1167-1175 - Kazlev, M. A., 2000: Eurypterida – All about “Sea scorpions”.
–iNet: The Kheper Site: http://www.kheper.auz.com/gaia/biosphere/arthropods/eurypterida/index.html - Kazlev, M. A., pers comm. [originally from http://palaeo.gly.bris.ac.uk/personnel/braddy/Braddy.html]
- Stott, C. A., Tetlie, O. E., Braddy, S. J., Nowlan, G. S., Glasser, P. M. & Devereux, M. G., 2005: A new eurypterid (Chelicerata) from the Upper Ordovician of Manitoulin Island, Ontario, Canada.
–Journal of Paleontology: Vol. 79, #6, pp. 1166-1174 - Størmer, L., Petrunkevitch, A. & Hedgpeth, J. W., 1955: Arthropoda 2 – Chelicerata with sections on Pycnogonida and Palaeoisopus. xvii-181
in Moore, R. C. (ed.): Treatise on Invertebrate Paleontology – Part P
–Geological Society of America and University of Kansas Press, Lawrence, 1955 - Tollerton Jr., V. P., 1989: Morphology, taxonomy, and classification of the order Eurypterida Burmeister, 1843.
–Journal of Paleontology: Vol. 63, #5, pp. 642-657