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Taxon:
Genus †
Orthacanthus
Agassiz, 1843
(fish)
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Entity:
†Xenacanthidae (Family)
..†Pleuracanthus (Genus)
..†Triodus (Genus)
..†Xenacanthus (Genus)
..†Orthacanthus (Genus)
Current position
†
Xenacanthidae
(Family)
Fritsch, 1889
Ref:
J.S. Nelson, 2006
: 49.
Alternative positions
†
Orthacanthidae
(Family)
Heyler & Poplin, 1989
Ref:
S.A. Neave, [2005]
: [19 Dec 2008].
[nominal taxon] [indirect]
Historical positions
†
Xenacanthidae
(Family)
Fritsch, 1889
Ref:
J.S. Nelson, 2006
: 49.
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Last updated:
1 Feb 2024