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Nodogastrioceras discum
Taxonomy
Nodogastrioceras discum was named by Ma and Li (1998). It is not a trace fossil. Its type locality is Anzhou, Yongping, Qianshan, which is in a Roadian coastal siliciclastic in the Hutang Formation of China. It is the type species of Nodogastrioceras.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Nodogastrioceras regulare Ma and Li |
| 1998 | Nodogastrioceras discum Ma and Li p. 83 |
| 1998 | Yongpingoceras yongpingense Ma and Li p. 85 |
| 1998 | Yongpingoceras yanshanense Ma and Li p. 86 |
| 2007 | Nodogastrioceras discum Zhou p. 798 figs. 3.1-3.8 |
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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.
†Nodogastrioceras discum Ma and Li 1998
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Invalid names: Nodogastrioceras regulare Ma and Li 1998 [synonym], Yongpingoceras yanshanense Ma and Li 1998 [synonym], Yongpingoceras yongpingense Ma and Li 1998 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 5 | 22.0 | 12.5 | 38.3 | 20.7 | 11.9 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||