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Bistrialites
Taxonomy
Bistrialites was named by Turner (1954) [Sepkoski's age data: C Vise].
It was assigned to Liroceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
It was assigned to Liroceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Bistrialites Turner |
| 1964 | Bistrialites Teichert et al. p. 446 |
| 2002 | Bistrialites 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. †Bistrialites Turner 1954
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†Bistrialites bicostatus Gordon 1964
†Bistrialites bimembris Shimanskiy 1967
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 10.4 | 7.00 | 15.5 | 10.5 | 3.09 | |
| shell diameter | 5 | 23.5 | 16.0 | 38.0 | 21.0 | 8.65 | |
| shell inflation | 5 | 6.51 | 4.00 | 13.0 | 5.00 | 3.77 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Pendleian to the top of the Arnsbergian or 330.30000 to 323.60000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pendleian | USA (Arkansas) | B. bicostatus (175860) Liroceras bicostatum (157822 157823 157985) | |
| Pendleian | Kazakhstan | B. bimembris (8421 166476) | |
| Serpukhovian | Kazakhstan | B. bimembris (166287 166308) | |
| Serpukhovian | USA (Arkansas) | Liroceras bicostatum (5517) | |
| Arnsbergian | USA (Arkansas) | B. bicostatus (185022 185023) Liroceras bicostatum (157867 157948 157986 157987 157989 157990 157991 157999 158001 160560 160564) |