Ctenaspis
Ctenaspis is an extinct genus of heterostracan cyathaspid agnathans from the early Devonian of Canada.
| Ctenaspis Temporal range: | |
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| C. dentata | |
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| Genus: | Ctenaspis |
species
- Ctenaspis kiaeri (Zych, 1931)
Sources
- Vertebrate Fossils and the Evolution of Scientific Concepts by W. Sargeant
- BioLib.cz
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