Pycnosteus
| Pycnosteus | |
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| P. tuberculata | |
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| Genus: | Pycnosteus Preobrazensky, 1911
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Pycnosteus is an extinct genus of jawless fish from the Devonian. It is thought to have cruised through vegetation, eating small invertebrates which it knocked loose .[1]
Sources
- Fishes of the World by Joseph S. Nelson
- Vertebrate Fossils and the Evolution of Scientific Concepts by W. Sargeant
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