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Ischnacanthiformes
Taxonomy
Ischnacanthiformes was named by Berg (1940). It is not extant.
It was assigned to Acanthodii by Dineley and Metcalf (1999), Burrow (2011) and Long (2011); to Acanthodii by Nelson et al. (2016); and to Acanthodii by Burrow and Elliott (2023).
It was assigned to Acanthodii by Dineley and Metcalf (1999), Burrow (2011) and Long (2011); to Acanthodii by Nelson et al. (2016); and to Acanthodii by Burrow and Elliott (2023).
Synonymy list
Year | Name and author |
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1940 | Ischnacanthiformes Berg |
1999 | Ischnacanthiformes Dineley and Metcalf p. 11 |
2011 | Ischnacanthiformes Burrow p. 1331 |
2011 | Ischnacanthiformes Long p. 242 |
2016 | Ischnacanthiformes Nelson et al. p. 100 |
2023 | Ischnacanthiformes Burrow and Elliott p. 3 |
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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.
Or. †Ischnacanthiformes Berg 1940
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Fm. †Acritolepidae Valiukevicius and Burrow 2005
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Fm. †Ischnacanthidae Woodward 1891
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G. †Acanthodopsis Hancock and Atthey 1868
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†Acanthodopsis microdon Traquair 1894
†Acanthodopsis wardi Hancock and Atthey 1868
G. †Apateacanthus Woodward 1891
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†Apateacanthus dentatus Hussakof and Bryant 1919
†Apateacanthus peculiaris Hussakof 1913
†Apateacanthus vetustus Clarke 1885
G. †Ictinocephalus Page 1859
G. †Ischnacanthus Powrie 1864
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†Ischnacanthus anglicus White 1961
†Ischnacanthus gracilis Egerton 1861
†Ischnacanthus kingi White 1961
†Ischnacanthus scheii Spjeldnaes 1967
†Ischnacanthus wickhami White 1961
G. †Podoliacanthus Voichyshyn and Szaniawski 2012
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†Podoliacanthus zychi Voichyshyn and Szaniawski 2012
Invalid names: Poracanthodidae [empty]
Diagnosis
No diagnoses are available