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Unuma unicus
Taxonomy
Hsuum unicum was named by Yeh (1987). Its type specimen is NMNS (000091) and is a 3D body fossil. Its type locality is Suplee-Izee area, OR-600M, which is in a Toarcian marine tuff/limestone in the Hyde Formation of Oregon.
It was recombined as Unuma unicum by Yao (1997); it was recombined as Unuma unicus by Gorican et al. (2006).
It was recombined as Unuma unicum by Yao (1997); it was recombined as Unuma unicus by Gorican et al. (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Hsuum unicum Yeh |
| 1997 | Unuma unicum Yao |
| 2004 | Hsuum unicum Matsuoka |
| 2006 | Unuma unicus Gorican et al. |
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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.
†Unuma unicus Yeh 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Late/Upper Pliensbachian to the top of the Early/Lower Toarcian or 192.90000 to 182.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliensbachian | USA (Oregon) | Hsuum unicum (124327) | |
| Early/Lower Toarcian | Japan | Hsuum unicum (124830) Unuma unicum (51710) | |
| Early/Lower Toarcian | USA (Oregon) | Hsuum unicum (124328 124329 type locality: 124331) |