Triazeugacanthus is an extinct genus of spiny shark from the Devonian of Canada. It contains a single species, Triazeugacanthus affinis.[1] With total length up to 5.272 centimetres (2.076 in), it is known from multiple ontogenetic stages.[2]
| Triazeugacanthus Temporal range:
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|---|---|
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| Development of the squamation pattern in T. affinis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Acanthodii |
| Order: | †Acanthodiformes |
| Family: | †Acanthodidae |
| Genus: | †Triazeugacanthus Miles, 1966 |
| Species: | †T. affinis
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| Binomial name | |
| †Triazeugacanthus affinis Whiteaves, 1887
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References
edit- ^ "†Triazeugacanthus Miles 1966 (spiny fish)". Paleobiology Database.
- ^ Chevrinais, Marion; Sire, Jean-Yves; Cloutier, Richard (2017-04-12). "From body scale ontogeny to species ontogeny: Histological and morphological assessment of the Late Devonian acanthodian Triazeugacanthus affinis from Miguasha, Canada". PLOS ONE. 12 (4): e0174655. Bibcode:2017PLoSO..1274655C. doi:10.1371/journal.pone.0174655. ISSN 1932-6203. PMC 5389634. PMID 28403168.
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