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Polymorphininae
Taxonomy
Polymorphininae was named by Cushman (1927). It is extant. It was considered unknown by Cushman and Ozawa (1928).
It was assigned to Polymorphinidae by Cushman (1927), Cushman and Ozawa (1928), Dorreen (1948), Mailhe et al. (1967) and Missotti (2022).
It was assigned to Polymorphinidae by Cushman (1927), Cushman and Ozawa (1928), Dorreen (1948), Mailhe et al. (1967) and Missotti (2022).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Polymorphininae Cushman |
| 1928 | Polymorphininae Cushman and Ozawa |
| 1948 | Polymorphininae Dorreen p. 289 |
| 1967 | Polymorphininae Mailhe et al. p. 26 |
| 2022 | Polymorphininae Missotti |
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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.
Subfm. Polymorphininae Cushman 1927
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G. Dimorphina d'Orbigny 1826
G. Globulina d'Orbigny 1839
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†Globulina gibba d'Orbigny 1832
†Globulina gravida Terquem 1878
†Globulina inaequalis Reuss 1850
G. Guttulina d'Orbigny 1839
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†Guttulina communis d'Orbigny 1826
Guttulina irregularis d'Orbigny 1846
†Guttulina lactea Walker and Jacob 1798
†Guttulina luisae Bertels 1964
Guttulina problema d'Orbigny 1826
G. Pyrulina d'Orbigny 1839
G. Sigmoidella Cushman and Ozawa 1928
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. Cushman and Y. Ozawa 1928 | Test with the chambers in a closed spiral or sigmoid series at
least in the early stages, later becoming in some genera biserial or uniserial. |