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Anderssonoceras
Taxonomy
Anderssonoceras was named by Grabau (1924) [Sepkoski's age data: P Djhu Sepkoski's reference number: 302]. It is not extant. Its type is Anderssonoceras anfuense.
It was assigned to Ceratitida by Sepkoski (2002); to Anderssonoceratidae by Tozer (1981) and Leonova (2002); and to Anderssonoceratinae by Korn (2006).
It was assigned to Ceratitida by Sepkoski (2002); to Anderssonoceratidae by Tozer (1981) and Leonova (2002); and to Anderssonoceratinae by Korn (2006).
Species
Synonymy list
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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. †Anderssonoceras Grabau 1924
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†Anderssonoceras anfuense Grabau 1924
†Anderssonoceras dongshenlingense Qin 1986
†Anderssonoceras hunanense Xu 1977
†Anderssonoceras robustum Zhao et al. 1978
†Anderssonoceras simplex Zhao et al. 1978
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 7.41 | 5.90 | 10.0 | 7.20 | 1.85 | |
| shell diameter | 5 | 13.5 | 3.10 | 30.0 | 15.3 | 10.3 | |
| shell inflation | 5 | 6.17 | 4.30 | 12.0 | 5.30 | 3.55 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.90000 to 254.17000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Hunan) | A. hunanense (105914) | |
| Wuchiapingian | China (Jiangxi) | A. anfuense (121614 144027) A. dongshenlingense (144030) A. sp., A. simplex, A. robustum (121670) | |
| Wuchiapingian | China (Anhui) | A. sp. (109621) | |
| Wuchiapingian | China (Hubei) | A. anfuense (109871) |