Pycnosteus

Pycnosteus
P. tuberculata
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Agnatha
Order: Heterostraci
Suborder: Psammosteida
Family: Pycnosteida
Genus: Pycnosteus
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

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