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Psammosteus
Taxonomy
Psammosteus was named by Agassiz (1844).
It was assigned to Psammosteidae by Jordan (1963), Moloshnikov (2009) and Randle and Sansom (2017).
It was assigned to Psammosteidae by Jordan (1963), Moloshnikov (2009) and Randle and Sansom (2017).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Psammosteus Agassiz |
| 1963 | Psammosteus Jordan p. 585 |
| 2009 | Psammosteus Moloshnikov |
| 2017 | Psammosteus Randle and Sansom p. 597 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Psammosteus Agassiz 1844
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†Psammosteus arenatus Agassiz 1845
†Psammosteus granulatus M'Coy 1848
†Psammosteus maeandrinus Agassiz 1845
†Psammosteus paradoxus Agassiz 1845
†Psammosteus praecursor Obruchev 1947
†Psammosteus vermicularis M'Coy 1848
Diagnosis
No diagnoses are available