Pycnosteus
Extinct genus of jawless fishes
Pycnosteus Temporal range: Eifelian–Givetian PreꞒ Ꞓ O S D C P T J K Pg N | |
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Pycnosteus tuberculata | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Agnatha |
Order: | Heterostraci |
Suborder: | Psammosteida |
Family: | Pycnosteida |
Genus: | Pycnosteus Preobrazensky, 1911 |
Binomial name | |
Pycnosteus tuberculata Preobrazensky, 1911 |
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
- ^ "Pteraspidomorphi: Psammosteida (2): Guerichosteids, Pycnosteids, Psammosteids & Psammolepis". Palaeos Vertebrates.
- Fishes of the World by Joseph S. Nelson
- Vertebrate Fossils and the Evolution of Scientific Concepts by W. Sargeant
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