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Pterotrigonia (Ptilotrigonia) mifunensis
Taxonomy
Acanthotrigonia mifunensis was named by Tamura and Tashiro (1967). It is not a trace fossil.
It was recombined as Pterotrigonia (Ptilotrigonia) mifunensis by Tashiro (1988).
It was recombined as Pterotrigonia (Ptilotrigonia) mifunensis by Tashiro (1988).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Acanthotrigonia mifunensis Tamura and Tashiro p. 20 figs. pl. 1, figs. 8-13 |
| 1988 | Pterotrigonia (Ptilotrigonia) mifunensis Tashiro p. 287 |
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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.
†Pterotrigonia (Ptilotrigonia) mifunensis Tamura and Tashiro 1967
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Cenomanian to the top of the Early/Lower Turonian or 100.50000 to 89.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | Japan | Pterotrigonia mifunensis (69471) | |
| Cenomanian | Japan (Kumamoto) | Pterotrigonia mifunensis (40207) | |
| Early/Lower Turonian | Japan (Kumamoto) | Pterotrigonia mifunensis (40208) |