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Schizosteus
Taxonomy
Schizosteus was named by Obruchev (1940) [Sepkoski's age data: D Eife D Give-u Sepkoski's reference number: 689].
It was assigned to Pteraspidomorphes by Sepkoski (2002).
It was assigned to Pteraspidomorphes by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Schizosteus Obruchev |
| 2002 | Schizosteus Sepkoski |
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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. †Schizosteus Obruchev 1940
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†Schizosteus asatkini Obruchev 1940
†Schizosteus heterolepis Praeobrazhensky 1911
†Schizosteus perneri Růžička 1929
†Schizosteus striatus Gross 1933
†Schizosteus toriensis Mark-Kurik 1965
†Schizosteus wellsi Halstead Tarlo 1964
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 Early/Lower Givetian or 399.50000 to 385.90000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | Belarus (Gormel) | S. sp. (232955) | |
| Late/Upper Emsian - Eifelian | Czechia | S. perneri (172683) | |
| Late/Upper Emsian - Eifelian | Latvia | S. sp. (226510) | |
| Eifelian | Russian Federation | S. heterolepis (90332) | |
| Eifelian | Estonia | S. heterolepis (225791 239667) S. striatus (225793 239665) | |
| Eifelian | Latvia | S. striatus (225795 225796 225797) | |
| Eifelian | USA (Idaho) | S. wellsi (238356) | |
| Eifelian | Belarus (Vitebsk) | S. sp. (232958) | |
| Early/Lower Givetian | Latvia | S. striatus (225802 225850) | |
| Early/Lower Givetian | Belarus | S. striatus (225886) | |
| Givetian | Russian Federation | S. asatkini (239668) | |
| Givetian | Belarus (Brest) | S. sp., S. asatkini (242244) | |
| Givetian | Belarus (Gormel) | S. sp. (242242) |