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Polyphylloseris iwateensis
Taxonomy
Polyphylloseris iwateensis was named by Eguchi (1951). Its type locality is Hideshima, Sakiyama-mura, Hiraiga Sandstone, which is in an Aptian perireef or subreef sandstone in the Hiraiga Sandstone Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Polyphylloseris iwateensis Eguchi |
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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.
†Polyphylloseris iwateensis Eguchi 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Barremian to the top of the Late/Upper Aptian or 129.40000 to 113.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Barremian | Mexico (Puebla) | Polyphylloseris iwateensis (89865) | |
| Late/Upper Aptian | Japan (Iwate) | Polyphylloseris iwateensis (type locality: 91327) |