| Triazeugacanthus
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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 | |
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 |
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