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Oldhamina ehiroi
Taxonomy
Petasmaia ehiroi was named by Tazawa (2011). Its type specimen is NU-B1476 and is a mold. Its type locality is Maeda, Locality B, Ofunato City, Miyagi Prefecture, which is in a Changhsingian marine shale in Japan.
It was recombined as Oldhamina ehiroi by Tazawa and Ono (2013), Tazawa and Araki (2014).
It was recombined as Oldhamina ehiroi by Tazawa and Ono (2013), Tazawa and Araki (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Petasmaia ehiroi Tazawa p. 8 figs. 3.10a-3.11c, 4 |
| 2013 | Oldhamina ehiroi Tazawa and Ono p. 52 |
| 2014 | Oldhamina ehiroi Tazawa and Araki p. 48 figs. 3.4, 4 |
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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.
†Oldhamina ehiroi Tazawa 2011
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Japan | Oldhamina ehiroi (157793) Petasmaia ehiroi (type locality: 107624) |