Diplodoselachidae Dick, 1981
publication ID |
https://doi.org/ 10.4202/app.2008.0051 |
persistent identifier |
https://treatment.plazi.org/id/03802969-2230-8059-AD5F-77F3FD6F98CB |
treatment provided by |
Felipe |
scientific name |
Diplodoselachidae Dick, 1981 |
status |
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Family Diplodoselachidae Dick, 1981
Remarks.— Hampe’s (2003: 197) taxonomic review included five genera, including Orthacanthus , in this primitive family. Schneider and Zajíc (1994: 132) and Schneider (1996: 333– 334) also placed this genus in the diplodoselachids. Soler−Gijón (1997: 166) placed Orthacanthus in the Xenacanthidae based on occipital spine similarities to Xenacanthus and Triodus . Schultze and Soler−Gijón (2004) follow this assignment, but without comment. Rodrigo Soler−Gijón (personal communication, October 2007) further argued that Orthacanthus shares many features in occipital spine and postcranial morphology with Xenacanthus , Triodus , and Plicatodus , which are highly derived xenacanths. His point is well taken and may be correct that Orthacanthus should be in the Xenacanthidae .
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