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Polymorphina frondea
Taxonomy
Bolivina frondea was named by Cushman (1922). It is a 3D body fossil. It is the type species of Lankesterina.
It was recombined as Lankesterina frondea by Loeblich and Tappan (1961); it was recombined as Polymorphina frondea by Cushman and Ozawa (1930), Bertels (1964).
It was recombined as Lankesterina frondea by Loeblich and Tappan (1961); it was recombined as Polymorphina frondea by Cushman and Ozawa (1930), Bertels (1964).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1922 | Bolivina frondea Cushman p. 126 fig. 3 |
| 1930 | Polymorphina frondea Cushman and Ozawa |
| 1961 | Lankesterina frondea Loeblich and Tappan |
| 1964 | Polymorphina frondea Bertels p. 152 |
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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.
†Polymorphina frondea Cushman 1922
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian - Danian | Argentina (Rio Negro) | Polymorphina frondea (236485 236486 236487 236488) |