Pycnosteus

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]

Pycnosteus
Temporal range: Eifelian–Givetian
P. 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

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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