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Posttornoceras
Taxonomy
Posttornoceras was named by Wedekind (1910) [Sepkoski's age data: D Fame-m Sepkoski's reference number: 1042]. It is not extant. Its type is Posttornoceras balvei. It is the type genus of Posttornoceratidae, Posttornoceratinae.
It was assigned to Goniatitida by Sepkoski (2002); and to Posttornoceratinae by Korn and Klug (2002), Korn (2006) and Korn et al. (2016).
It was assigned to Goniatitida by Sepkoski (2002); and to Posttornoceratinae by Korn and Klug (2002), Korn (2006) and Korn et al. (2016).
Species
P. balvei (type species), P. contiguum, P. fallax, P. glenisteri, P. posthumum (syn. Sporadoceras wedekindi), P. sodalis
Synonymy list
| Year | Name and author |
|---|---|
| 1910 | Posttornoceras Wedekind |
| 2002 | Posttornoceras Korn and Klug p. 168 |
| 2002 | Posttornoceras Sepkoski |
| 2006 | Posttornoceras Korn |
| 2016 | Posttornoceras Korn et al. p. 186 |
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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. †Posttornoceras Wedekind 1910
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†Posttornoceras balvei Wedekind 1910
†Posttornoceras contiguum Munster 1832
†Posttornoceras fallax Korn 2002
†Posttornoceras glenisteri Petersen 1975
†Posttornoceras posthumum Wedekind 1918
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Invalid names: Sporadoceras wedekindi Schindewolf 1923 [synonym]
†Posttornoceras sodalis Becker 1995
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 14 | 17.7 | 10.7 | 34.5 | 16.6 | 7.19 | |
| shell diameter | 14 | 28.0 | 17.3 | 60.0 | 26.9 | 11.9 | |
| shell inflation | 14 | 0.003 | 0.001 | 0.100 | 0.001 | 0.042 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Middle Famennian to the top of the Late/Upper Famennian or 370.60000 to 360.70000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | Australia (Western Australia) | P. glenisteri (39078) | |
| Middle Famennian | Germany | P. balvei (170831) P. contiguum (172549 172599 172600 172601) | |
| Middle Famennian | Australia (Western Australia) | P. glenisteri (39101 39105) | |
| Middle Famennian | Poland | P. contiguum (157665) | |
| Middle Famennian | Morocco | P. contiguum (171673 172602 172603) | |
| Middle Famennian | Kazakhstan (Chelyabinsk) | P. contiguum (172159) | |
| Late/Upper Famennian | Morocco | P. balvei (135652) P. posthumum (172605 172606) | |
| Late/Upper Famennian | Kazakhstan | Sporadoceras posthumum (172165) | |
| Late/Upper Famennian | Poland (Swietokrzyskie) | Sporadoceras posthumum (135752) | |
| Late/Upper Famennian | Germany | P. posthumum (170794 172604 181326 181327 181328 181329 181330 181331 181332) | |
| Late/Upper Famennian | France | P. posthumum (172607) |