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Taxonomy
Nuculopsis (Palaeonucula) orientalis was named by Ichikawa (1951) [Type. —Holotype (UMUT PM5311, Ichikawa, 1951, pl. 1, fig. 1) from the Katsura Formation at Katsura, Sakawa-cho, Takaoka-gun, Kochi Prefecture. Age and distribution. —Upper Permian (stage unknown). Known only from the type locality.]. Its type specimen is UMUT PM5311 and is not a trace fossil.
It was recombined as Nuculopsis (Nuculopsis) orientalis by Nakazawa (1967), Hayami and Kase (1977).
It was recombined as Nuculopsis (Nuculopsis) orientalis by Nakazawa (1967), Hayami and Kase (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Nuculopsis (Palaeonucula) orientalis Ichikawa p. 322 figs. pl. 1, fig. 1 |
| 1967 | Nuculopsis (Nuculopsis) orientalis Nakazawa p. 167 |
| 1977 | Nuculopsis (Nuculopsis) orientalis Hayami and Kase |
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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.
†Nuculopsis (Nuculopsis) orientalis Ichikawa 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Japan | Nuculopsis orientalis (type locality: 114489) |