Ctenaspis
Ctenaspis is an extinct genus of heterostracan cyathaspid agnathans from the early Devonian of Canada.
Ctenaspis | |
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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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gollark: And would still require memorising a ton of metadata.
gollark: See, that would maybe be more secure, except for the physical book thing, but also extremely annoying.
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