Pycnosteus

Pycnosteus
Temporal range: Eifelian–Givetian
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

  1. ^ "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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