| Diplacanthiformes Temporal range:
| |
|---|---|
_from_Waterloo_Farm.jpg)
| |
| Diplacanthus acus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Acanthodii |
| Order: | †Diplacanthiformes Berg, 1940 |
| Subgroups | |
|
see text | |
Diplacanthiformes (also known as Diplacanthida, Diplacanthoidei, or Diplacanthini) is an order of "acanthodian" stem-chondrichthyans which lived during the Devonian Period.[1]
- ^ 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.