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Aulagonoceras spirale
Taxonomy
Aulagonoceras spirale was named by Zheng (1984). Its type specimen is NIGP 34393 and is a 3D body fossil. Its type locality is Zhongying Section Bed 22 (QZ-4), Qinglong County, which is in a Changhsingian coastal siltstone in China.
Synonymy list
Year | Name and author |
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1984 | Aulagonoceras spirale Zheng p. 249 figs. Pl 4, figs 1-3; text-figs 12b,13c |
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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.
†Aulagonoceras spirale Zheng 1984
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell diameter | 1 | 30.8 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Changhsingian | China (Guizhou) | Aulagonoceras spirale (51425 112017 112085 type locality: 112094) |