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