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Diplacanthiformes
Taxonomy
Diplacanthiformes was named by Berg (1940).
It was assigned to Acanthodii by Burrows (2007); to Acanthodii by Nelson et al. (2016); and to Acanthodii by Burrow and Elliott (2023).
It was assigned to Acanthodii by Burrows (2007); to Acanthodii by Nelson et al. (2016); and to Acanthodii by Burrow and Elliott (2023).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Diplacanthiformes Berg |
| 2007 | Diplacanthiformes Burrows |
| 2016 | Diplacanthiformes Nelson et al. p. 99 |
| 2023 | Diplacanthiformes Burrow and Elliott p. 4 |
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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. †Diplacanthiformes Berg 1940
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G. †Devononchus Gross 1940
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†Devononchus concinnus Gross 1940
†Devononchus ketleriensis Gross 1947
†Devononchus laevis Gross 1933
†Devononchus tenuispinus Gross 1933
Fm. †Diplacanthidae Woodward 1891
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G. †Diplacanthus Agassiz 1843
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†Diplacanthus balticus Gross 1973
†Diplacanthus carinatus Gross 1973
†Diplacanthus crassisimus Duff 1842
†Diplacanthus ellsi Gagnier 1996
†Diplacanthus horridus Woodward 1892
†Diplacanthus longispinus Agassiz 1844
†Diplacanthus striatus Agassiz 1844
†Diplacanthus tenuistriatus Traquair 1894
Invalid names: Gladiobranchidae [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Emsian to the top of the Late/Upper Famennian or 402.50000 to 360.70000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | USA (Wyoming) | Onchus peracutus (26176) | |
| Emsian | Belarus (Gormel) | Diplacanthus sp. (232955) | |
| Late/Upper Emsian | USA (California) | Bryantonchus peracutus (206449) | |
| Late/Upper Emsian - Eifelian | Latvia | Diplacanthus sp. (226510) | |
| Eifelian | Belarus (Vitebsk) | Diplacanthus sp. (232958) | |
| Early/Lower Givetian | Estonia | Diplacanthus gravis (225803 225804) Diplacanthus gravis, Diplacanthus sp., Diplacanthus carinatus (225851) | |
| Early/Lower Givetian | Belarus | Devononchus concinnus, Diplacanthus gravis (225886) Diplacanthus gravis (225885) | |
| Early/Lower Frasnian | Russian Federation | Devononchus concinnus (90343) | |
| Middle Givetian | Belarus | Devononchus concinnus, Diplacanthus gravis (225887) | |
| Frasnian | Canada (Quebec) | Diplacanthus ellsi, Diplacanthus horridus (179176) | |
| Late/Upper Devonian | Colombia (Boyacá) | Florestacanthus morenoi (211928) | |
| Late/Upper Givetian | Latvia | Devononchus concinnus (225777) | |
| Late/Upper Givetian | Belarus | Devononchus concinnus (225888) | |
| Famennian | South Africa (Eastern Cape) | Diplacanthus acus, Diplacanthidae indet. (68049) | |
| Middle Famennian | Russian Federation (Oryol Oblast) | Devononchus sp. (226045) | |
| Late/Upper Famennian | Russian Federation (Tulskaya Oblast) | Devononchus laevis, Devononchus tenuispinus (176224) |