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Nordophiceras schmidti
Taxonomy
Xenodiscus schmidti was named by Mojsisovics (1886).
It was recombined as Prionolobus schmidti by Noetling (1905); it was recombined as Meekoceras (Gyronites) schmidti by Diener (1915); it was recombined as Gyronites schmidti by Kiparisova (1947); it was recombined as Svalbardiceras schmidti by Kummel (1969); it was recombined as Nordophiceras schmidti by Bychkov et al. (1976), Zakharov (1978), Dagis and Ermakova (1988), Dagis et al. (1996).
It was recombined as Prionolobus schmidti by Noetling (1905); it was recombined as Meekoceras (Gyronites) schmidti by Diener (1915); it was recombined as Gyronites schmidti by Kiparisova (1947); it was recombined as Svalbardiceras schmidti by Kummel (1969); it was recombined as Nordophiceras schmidti by Bychkov et al. (1976), Zakharov (1978), Dagis and Ermakova (1988), Dagis et al. (1996).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Xenodiscus schmidti Mojsisovics |
| 1886 | Xenodiscus dentosus Mojsisovics p. 78 figs. Pl 11, fig 12 |
| 1895 | Gyronites mojsisovicsi Waagen |
| 1905 | Prionolobus schmidti Noetling |
| 1915 | Goniodiscus dentosus Diener |
| 1915 | Meekoceras (Gyronites) schmidti Diener |
| 1934 | Xenodiscus schmidti Spath |
| 1947 | Gyronites schmidti Kiparisova |
| 1969 | Svalbardiceras dentosus Kummel |
| 1969 | Svalbardiceras schmidti Kummel |
| 1976 | Nordophiceras schmidti Bychkov et al. |
| 1978 | Nordophiceras schmidti Zakharov figs. Pl 7, figs 4-9; pl 8, figs 1,2 |
| 1988 | Nordophiceras schmidti Dagis and Ermakova p. 19 figs. Pl 2, figs 3-6 |
| 1996 | Nordophiceras schmidti Dagis et al. p. 98 figs. Pl 53, 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.
†Nordophiceras schmidti Mojsisovics 1886
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Invalid names: Gyronites mojsisovicsi Waagen 1895 [synonym], Xenodiscus dentosus Mojsisovics 1886 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 14.7 | 11.5 | 21.6 | 14.5 | 3.02 | |
| shell diameter | 8 | 35.7 | 27.0 | 50.0 | 35.8 | 6.85 | |
| shell inflation | 8 | 9.96 | 7.10 | 12.5 | 10.6 | 1.91 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003, Hendy et al. 2009 | |||||
Age range: Spathian or 248.10000 to 246.70000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian | Russian Federation (Siberia) | Nordophiceras schmidti (72347 72348 72349 72350 72352 72354 72356 72357 72360 72362 72363) | |
| Olenekian | Russian Federation | Nordophiceras schmidti (124541) | |
| Spathian | Russian Federation | Nordophiceras schmidti (107049 107211 123385 123387 123494 123495 214753) Xenodiscus dentosus (212505) Xenodiscus schmidti (212541) |