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Nihonia shimajiriensis
Taxonomy
Nihonia shimajiriensis was named by MacNeil (1960) [DISTRIBUTION: Miocene-Pliocene; Japan.]. Its type specimen is USNM 562751, a shell, and it is not a trace fossil. Its type locality is USGS 17445, Yonabaru, which is in a Pliocene offshore claystone in the Yonabaru Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Nihonia shimajiriensis MacNeil p. 105 figs. pl. 5, fig 15 |
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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.
†Nihonia shimajiriensis MacNeil 1960
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Miocene to the top of the Pliocene or 11.60800 to 2.58800 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Miocene | Japan (Okinawa) | Nihonia shimajiriensis (42168 42169) | |
| Pliocene | Japan (Okinawa) | Nihonia shimajiriensis (type locality: 26654) |