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Xenacanthidae
Taxonomy
Xenacanthidae was named by Fritsch (1889). It is not extant.
It was synonymized subjectively with Pleuracanthidae by Hay (1902).
It was assigned to Ichthyotomi by Jordan (1963); to Pleuracanthodii by Daly (1973); to Xenacanthida by Zangerl (1981); and to Xenacanthiformes by Cappetta (1987), Murry (1989), Heckert (2004), Heckert and Lucas (2006), Ginter et al. (2010) and Nelson et al. (2016).
It was synonymized subjectively with Pleuracanthidae by Hay (1902).
It was assigned to Ichthyotomi by Jordan (1963); to Pleuracanthodii by Daly (1973); to Xenacanthida by Zangerl (1981); and to Xenacanthiformes by Cappetta (1987), Murry (1989), Heckert (2004), Heckert and Lucas (2006), Ginter et al. (2010) and Nelson et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Xenacanthidae Fritsch |
| 1963 | Xenacanthidae Jordan p. 591 |
| 1973 | Xenacanthidae Daly p. 564 |
| 1981 | Xenacanthidae Zangerl p. 64 |
| 1987 | Xenacanthidae Cappetta p. 27 |
| 1989 | Xenacanthidae Murry p. 250 |
| 2004 | Xenacanthidae Heckert p. 72 |
| 2006 | Xenacanthidae Heckert and Lucas p. 97 |
| 2010 | Xenacanthidae Ginter et al. p. 49 |
| 2016 | Xenacanthidae Nelson et al. p. 47 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Xenacanthidae Fritsch 1889
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G. †Aganodus Owen 1867
G. †Fayolia Renault and Zeiller 1884
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†Fayolia dentata Renault and Zeiller 1884
†Fayolia sharovi Fischer et al. 2011
†Fayolia sterzeliana Weiss 1887
G. †Lophacanthus Stock 1880
G. †Mooreodontus Hampe and Schneider 2010
G. †Ochlodus Owen 1867
G. †Phricacanthus Davis 1879
G. †Pleuracanthus Agassiz 1837
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†Pleuracanthus arcuatus Newberry 1856
†Pleuracanthus biserialis Newberry 1856
†Pleuracanthus cylindricus Agassiz 1843
†Pleuracanthus decheni Goldfuss 1847
†Pleuracanthus dilatatus Newberry 1856
†Pleuracanthus laevissimus Agassiz 1837
†Pleuracanthus quadriseriatus Cope 1877
†Pleuracanthus robustus Davis 1880
G. †Plicatodus Hampe 1995
G. †Pternodus Owen 1867
G. †Wurdigneria Richter 2005
Diagnosis
No diagnoses are available