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Eupachydiscus teshioensis
Taxonomy
Pachydiscus teshioensis was named by Jimbo (1874). It is a 3D body fossil. Its type locality is Tsikapunnai (= Chikabunnai), a left tributary of the Abeshinai River, Saku area, which is in a Santonian/Campanian marine mudstone in the Upper Haborogawa Formation of Japan.
It was recombined as Eupachydiscus teshioensis by Matsumoto (1959).
It was recombined as Eupachydiscus teshioensis by Matsumoto (1959).
Synonymy list
| Year | Name and author |
|---|---|
| 1874 | Pachydiscus teshioensis Jimbo p. 30 figs. Pl., 3, figs. 1, 1a, 1b |
| 1959 | Eupachydiscus teshioensis Matsumoto p. 31 figs. Pl.6，figs. 1a-c; Text-fig. 12 |
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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.
†Eupachydiscus teshioensis Jimbo 1874
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Santonian or 85.70000 to 83.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Coniacian - Santonian | USA (California) | Eupachydiscus teshioensis (224925 224935) | |
| Late/Upper Coniacian - Early/Lower Santonian | USA (California) | Eupachydiscus teshioensis (224934 224940) | |
| Santonian - Campanian | Japan (Teshio) | Pachydiscus teshioensis (234037) |