Psammosteus Agassiz 1844 (jawless fish)

Pteraspidomorpha - Pteraspidiformes - Psammosteidae

Parent taxon: Psammosteidae according to E. Randle and R. S. Sansom 2017

See also Jordan 1963 and Moloshnikov 2009

Sister taxa: Acanthaspis, Drepanaspis, Dyptychosteus, Oredezhosteus, Placosteus, Pycnosteus

Subtaxa: Psammosteus arenatus Psammosteus granulatus Psammosteus maeandrinus Psammosteus paradoxus Psammosteus praecursor Psammosteus vermicularis

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Ecology:

Distribution:

• Pennsylvanian of Ireland (1 collection), the United Kingdom (1)

• Devonian of Belarus (2), Estonia (1), the Russian Federation (6)

Total: 11 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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