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Psammolepis
Taxonomy
Psammolepis was named by Agassiz (1843).
It was assigned to Psammosteidae by Jordan (1963); and to Heterostraci by Blieck et al. (2002).
It was assigned to Psammosteidae by Jordan (1963); and to Heterostraci by Blieck et al. (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Psammolepis Agassiz p. 177 |
| 1963 | Psammolepis Jordan p. 585 |
| 2002 | Psammolepis Blieck et al. |
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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. †Psammolepis Agassiz 1843
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†Psammolepis abavica Mark-Kurik 1965
†Psammolepis aerata Obruchev 1965
†Psammolepis alata Obruchev 1965
†Psammolepis groenlandica Halstead Tarlo 1964
†Psammolepis paradoxa Agassiz 1845
†Psammolepis toriensis Mark-Kurik 1965
†Psammolepis venyukovi Obruchev 1965
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Late/Upper Emsian to the top of the Frasnian or 399.50000 to 372.15000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Emsian | Belarus | P. toriensis (277001 277006) | |
| Late/Upper Emsian | Belarus (Gormel) | P. toriensis (232956) | |
| Eifelian | Russian Federation | P. sp. (90332) | |
| Eifelian | Estonia | P. toriensis (225791 239667) | |
| Eifelian - Givetian | Greenland | P. groenlandica (238275) | |
| Early/Lower Givetian | Russian Federation | P. sp. (90333) | |
| Givetian | Svalbard and Jan Mayen (Spitsbergen) | P. paradoxa (225592) | |
| Givetian | Belarus (Brest) | P. sp. (242243 242244) | |
| Givetian | Belarus (Gormel) | P. sp. (242242) | |
| Givetian | Estonia | P. venyukovi (239670) | |
| Late/Upper Givetian | Russian Federation | P. sp. (90334) | |
| Late/Upper Givetian | Latvia | P. paradoxa, P. alata (225777) | |
| Late/Upper Givetian | Estonia | P. spp., P. abavica (225778) | |
| Frasnian | United Kingdom | P. sp. (239215) |