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Ptychites nipponicus
Taxonomy
Ptychites nipponicus was named by Bando (1964). Its type specimen is IGPS 76542 and is a 3D body fossil. Its type locality is Hamada, Shiogama City, Miyagi Prefecture (reitzi zone), which is in a Fassanian marine shale in the Rifu Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Ptychites nipponicus Bando p. 100 figs. Pl 11, fig 1; pl 12, fig 1 |
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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.
†Ptychites nipponicus Bando 1964
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell diameter | 1 | 165.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||