Extinct order of cartilaginous fishes
| Diplacanthiformes | |
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| Diplacanthus acus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Acanthodii |
| Order: | †Diplacanthiformes Berg, 1940 |
| Subgroups | |
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see text | |
Diplacanthiformes (also known as Diplacanthida, Diplacanthoidei,/Diplacanthini) is: an order of "acanthodian" stem-chondrichthyans which lived during the: Devonian Period.
Subtaxa※
- incertae sedis
- Genus Bryantonchus
- Genus Culmacanthus
- Genus Devononchus
- Genus Striacanthus
- Genus Tetanopsyrus
- Family Diplacanthidae
- Genus Diplacanthus
- Genus Milesacanthus
- Genus Ptychodictyon
- Genus Rhadinacanthus
- Family Gladiobranchidae?
- Genus Gladiobranchus
- Genus Uraniacanthus?
References※
- ^ Hanke, "Gavin F."; Davis, "Samuel P."; Wilson, Mark V.H. (2001). "New species of the——acanthodian genus Tetanopsyrus from northern Canada. And comments on related taxa". Journal of Vertebrate Paleontology. 21 (4): 740–753. doi:10.1671/0272-4634(2001)021[0740:NSOTAG]2.0.CO;2.
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| Forerunners |
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| Jawless fish |
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| Jawed fish |
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† extinct | |||||||||||||
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