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Allomorphina
Taxonomy
Allomorphina was named by Cžjžek (1849) [Sepkoski's age data: K Camp R]. It is extant. It was considered monophyletic by Cžjžek (1849).
It was assigned to Chilostomellidae by Cžjžek (1849); to Allomorphininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
It was assigned to Chilostomellidae by Cžjžek (1849); to Allomorphininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
Species
Synonymy list
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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.
G. Allomorphina Cžjžek 1849
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†Allomorphina conica Cushman and Todd 1949
†Allomorphina contraria Reuss 1851
Allomorphina pacifica Cushman and Todd 1949
†Allomorphina polonica Gawor-Biedowa 1992
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Cžjžek 1849 | Test ovoid, circular in section, trochospiral and involute, only the final whorl of three strongly enveloping chambers visible from the exterior, sutures gently curved, slightly depressed; wall calcareous, optically granular, finely perforate, surface smooth; aperture an elongate slit, with a projecting bordering rim. U. Cretaceous (Campanian) to Holocene; cosmopolitan. |