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Inyoceras bittneri
Taxonomy
Xenodiscus bittneri was named by Hyatt and Smith (1905). Its type specimen is Pl 20, figs 5-7 and is a 3D body fossil. Its type locality is Union Wash, Parapopanoceras beds, Inyo Range, which is in a Spathian slope limestone in the Union Wash Formation of California.
It was recombined as Inyoceras bittneri by Tozer (1994), Guex et al. (2010).
It was recombined as Inyoceras bittneri by Tozer (1994), Guex et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Xenodiscus bittneri Hyatt and Smith p. 123 figs. Pl 20, figs 5-15; pl 21, figs 1-13 |
| 1914 | Xenodiscus bittneri Smith p. 56 figs. Pl 1, figs 5-15; pl 2, figs 1-13; pl 34, figs 1-4 |
| 1922 | Xenodiscus bittneri Welter |
| 1994 | Inyoceras bittneri Tozer p. 163 |
| 2010 | Inyoceras bittneri Guex et al. p. 69 figs. Pl 47, figs 4-6; pl 60, fig 5 |
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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.
†Inyoceras bittneri Hyatt and Smith 1905
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 7.10 | 5.50 | 10.0 | 6.50 | 2.36 | |
| shell diameter | 3 | 22.5 | 18.5 | 31.5 | 19.5 | 7.23 | |
| shell inflation | 3 | 10.2 | 8.50 | 14.0 | 9.00 | 3.04 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Spathian or 251.30000 to 247.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian | Indonesia (Timor) | Xenodiscus bittneri (205640) | |
| Spathian | USA (California) | Inyoceras bittneri (109434) Xenodiscus bittneri (type locality: 33194) |