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Stacheoceras (Neostacheoceras)
Taxonomy
Neostacheoceras was named by Schindewolf (1931). Its type is Neostacheoceras hanieli.
It was synonymized subjectively with Stacheoceras by Furnish et al. (2009); it was reranked as Stacheoceras (Neostacheoceras) by Leonova (2018).
It was assigned to Neostacheoceratinae by Bogoslovskaya (1990), Leonova (2002), Korn (2006); and to Stacheoceras by Leonova (2018).
It was synonymized subjectively with Stacheoceras by Furnish et al. (2009); it was reranked as Stacheoceras (Neostacheoceras) by Leonova (2018).
It was assigned to Neostacheoceratinae by Bogoslovskaya (1990), Leonova (2002), Korn (2006); and to Stacheoceras by Leonova (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Neostacheoceras Schindewolf |
| 1990 | Neostacheoceras Bogoslovskaya p. 73 |
| 2002 | Neostacheoceras Leonova |
| 2006 | Neostacheoceras Korn |
| 2018 | Stacheoceras (Neostacheoceras) Leonova p. 242 |
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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.
Subg. †Stacheoceras (Neostacheoceras) Schindewolf 1931
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†Stacheoceras (Neostacheoceras) hanieli Schindewolf 1931
†Stacheoceras (Neostacheoceras) otomoi Ehiro et al. 1986
†Stacheoceras (Neostacheoceras) tridens Rothpletz 1892
†Stacheoceras (Neostacheoceras) trimurti Diener 1897
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 26.2 | 24.0 | 28.5 | 26.2 | 3.18 | |
| shell diameter | 4 | 48.9 | 31.0 | 89.0 | 46.0 | 25.5 | |
| shell inflation | 4 | 3.00 | - | - | 3.00 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Japan | Stacheoceras otomoi (107618) | |
| Wuchiapingian | China (Xizang) | Popanoceras trimurti (89203) | |
| Wuchiapingian | India | Stacheoceras trimurti (132474) | |
| Wuchiapingian | Indonesia | Arcestes tridens (132787) Stacheoceras tridens, Neostacheoceras hanieli (73589) |