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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Echinodiscus chikuzenensis
Taxonomy
Echinodiscus chikuzenensis was named by Nagao (1928).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Echinodiscus chikuzenensis Nagao p. 17 figs. Plate 1, Figs. 15-17 |
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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.
†Echinodiscus chikuzenensis Nagao 1928
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 | |||||
Age range: Late/Upper Oligocene or 27.30000 to 23.04000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene - Miocene | Japan (Fukuoka) | Echinodiscus chikuzenensis (203236) | |
| Late/Upper Oligocene | Japan (Yamaguchi) | Echinodiscus chikuzenensis (51450 51455 51456 51457) |