After Carroll, 1988, Frickhinger, 1995, Long, 1995, and Friedman et al., 2010 [fig. S15]
<==o †Pachycormiformes `--o †Pachycormidae Woodward, 1891 |--o †Euthynotus [Cyclospondylus, Heterothrissops, Parathrissops, Pseudothrissops] L. Jur. Eu. | `-- †E. intermedius `--+--+--o †Hypsocormus U.Trias.-U.Jur. Eu. | | `-- †H. insignis | `--+-- †“Hypsocormus” insignis | `--+-- †Orthocormus cornutus U. Jur. Eu. | `--+-- †Australopachycormus hurleyi | `--o †Protosphyraena [Erisichthe, Pelecopterus] U.Cret. Eu. As. NAm. SAm. | |-- †P. perniciosa [“Pelecopterus” pernicciosus] | |-- †P. nitida [Erisichte nitida] | |-- †P. tenuis | `-- †P. bentonianum `--+--o †Pachycormus [Cephenoplosus, ?Pachylepis ?Lycodus] L.Jur. Eu. | |-- †P. curtus | `-- †P. bollensis `--+?- “Oolite †pachycormid” |--+-- †Asthenocormus titanius [Agassizia] U. Jur. Eu. | `-- †Martillichthys renwickae `--+-- †Bonnerichthys gladius (Cope, 1874) Friedman et al., 2010 [“Portheus” gladius]; U.Cret. CNAm. `--+-- †Leedsichthys problematicus Woodward, 1889 [Leedsia] `-- †Rhinconichthys taylori Friedman et al., 2010; U.Cret. WEu.
Pachycormidae incertae sedis (taxa not treated by Friedman et al.):
†Eugnathides U.Jur. NA. †Euthynotoides L.Jur. Eu. †Prosauropsis [Protosauropsis, Saurostomus] L.Jur. Eu. †Sauropsis L.-U.Jur. Eu. NA. †S. longimanus †Saurostomus †S. esocinus [=? Pachycormus esocius]
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Carroll, R. L., 1988: Appendix. 594-648
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Frickhinger, K. A., 1995: Fossil Atlas – Fishes.
–Mergus – Publishers for Natural History and Pet Books, Hans A. Baensch, Malle, Germany, 1-1088 - Friedman, M., Shimada, K., Martin, L. D., Everhart, M. J., Liston, J., Maltese, A. & Triebold, M., 2010: 100-million-year dynasty of giant planktivorous bony fishes in the Mesozoic seas.
–Science: Vol. 327, pp. 990-993 (with supplement 1-58) [doi: 10.1126/science.184743] - Long, J. A., 1995: The Rise of Fishes: 500 million years of evolution.
–Johns Hopkins University Press, Baltimore & London, pp. 1-223