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Xenacanthus
Taxonomy
Xenacanthus was named by Beyrich (1848). It is not extant.
It was synonymized subjectively with Pleuracanthus by Hay (1902).
It was assigned to Elasmobranchii by Irmis (2005); and to Xenacanthidae by Jordan (1963), Daly (1973), Zangerl (1981), Murry (1989), Hampe (2003), Heckert (2004) and Ginter et al. (2010).
It was synonymized subjectively with Pleuracanthus by Hay (1902).
It was assigned to Elasmobranchii by Irmis (2005); and to Xenacanthidae by Jordan (1963), Daly (1973), Zangerl (1981), Murry (1989), Hampe (2003), Heckert (2004) and Ginter et al. (2010).
Species
Species lacking formal opinion data
Synonymy list
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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.
Diagnosis
No diagnoses are available