Ctenacanthiformes
| Ctenacanthiformes Temporal range:
Middle Permian (Possible Valanginian record) | |
|---|---|
| |
| Life restoration of Dracopristis | |
_(Pennsylvanian;_Kansas_or_Nebraska,_USA)_1.jpg)
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| Fin spine of Ctenacanthus formosus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | †Ctenacanthiformes Glikman, 1964 |
| Subtaxa | |
|
See text | |
| Synonyms | |
| |
Ctenacanthiformes is an
neoselachians instead.[7]
Taxonomy
Ctenacanthiformes are suggested to be more closely related to living
Xenacanthiformes.[9]
Following Hodnett et al. 2024[4]
Ctenacanthidae Dean 1909
- Ctenacanthus Agassiz, 1837 (Late Devonian)
- Cladodoides Maisey, 2001 (Late Devonian-Early Carboniferous)
- Cladodus Agassiz, 1843 (Early Carboniferous)
- Goodrichthys Moy-Thomas, 1951 (Early Carboniferous)
- Troglocladodus Hodnett et al. 2024 (Early Carboniferous)
Heslerodidae Maisey 2010
- Avonacanthus Maisey 2010
- Bythiacanthus St. John and Worthen 1875
- Dracopristis Hodnett et al. 2021
- Glencartius Ginter and Skompski 2019
- Glikmanius Ginter et al. 2005
- Heslerodus Ginter 2002
- Heslerodoides Ivanov 2022
- Kaibabvenator Hodnett et al. 2012
- Nanoskalme Hodnett et al. 2012
"Saivodus group"
- Tamiobatis Eastman, 1897
- Saivodus Duffin & Ginter, 2006
- Neosaivodus Hodnett et al. 2012