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Delphinus rikuzenensis
Taxonomy
Delphinus rikuzenensis was named by Hatai et al. (1963). Its type specimen is IGPS 85538, an other (periotic), and it is a 3D body fossil. Its type locality is Sendai, which is in a Pliocene shallow subtidal horizon in the Tatsunokuchi Formation of Japan.
It was considered a nomen dubium by Oishi and Hasegawa (1995).
It was considered a nomen dubium by Oishi and Hasegawa (1995).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Delphinus rikuzenensis Hatai et al. p. 11 |
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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.
†Delphinus rikuzenensis Hatai et al. 1963
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subo = suborder, o = order | |||||
| References: Nowak 1991, Uhen 2004 | |||||
Age range: Early/Lower Pliocene or 5.33300 to 3.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | Japan | Delphinus rikuzenensis (type locality: 47462) |