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Subdiscosphinctes hachiyai
Taxonomy
Subdiscosphinctes hachiyai was named by Sato and Yamada (2014). Its type specimen is NMNS PM23925, a shell, and it is a 3D body fossil. Its type locality is AR0021, Kami-uwabamidani Valley, which is in an Oxfordian marine siltstone in the Arimine Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Subdiscosphinctes hachiyai Sato and Yamada p. 45 figs. 17-21 |
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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.
†Subdiscosphinctes hachiyai Sato and Yamada 2014
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 87.0 | |||||
| shell diameter | 1 | 250.0 | |||||
| shell inflation | 1 | 105.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Middle Oxfordian or 161.20000 to 155.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian | Japan | Subdiscosphinctes hachiyai (type locality: 182856) |