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Helicoprion bessonowi
Taxonomy
Helicoprion bessonowi was named by Karpinsky (1899). It is a 3D body fossil. Its type locality is Krasnoufimsk (Bessonow collection), which is in an Artinskian marine horizon in the Russian Federation.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1899 | Helicoprion bessonowi Karpinsky p. 32 figs. Pl 1; pl 2; pl 3, figs 1-9; pl 4, figs 1-11; text-figs 18-66,68,69,72 |
| 1903 | Helicoprion bessonowi Yabe p. 8 figs. pl. II |
| 1939 | Helicoprion nevadensis Wheeler pp. 109-112 figs. Figure 3 |
| 1998 | Helicoprion nevadensis Hanger and Strong p. 531 fig. 1 |
| 2009 | Helicoprion bessonowi Lebedev p. 173 fig. 2,3 |
| 2013 | Helicoprion bessonowi Tapanila and Pruitt p. 979 figs. 2.6, 12.2 |
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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.
†Helicoprion bessonowi Karpinsky 1899
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Invalid names: Helicoprion nevadensis Wheeler 1939 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Permian | USA (Nevada) | Helicoprion nevadensis (118114) | |
| Sakmarian | USA (Nevada) | Helicoprion sp. (130655) | |
| Artinskian | Russian Federation | Helicoprion bessonowi (type locality: 149416) | |
| Artinskian | Kazakhstan | Helicoprion bessonowi (119029) | |
| Roadian | Japan | Helicoprion bessonowi (133437) |