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Sigmomorphina
Taxonomy
Sigmomorphina was named by Cushman and Ozawa (1928) [Sepkoski's age data: T Than R]. It is extant.
It was assigned to Polymorphinidae by Bertels (1964) and Wienrich (1997); and to Foraminiferida by Sepkoski (2002).
It was assigned to Polymorphinidae by Bertels (1964) and Wienrich (1997); and to Foraminiferida by Sepkoski (2002).
Species
Species lacking formal opinion data
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. Sigmomorphina Cushman and Ozawa 1928
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†Sigmomorphina kronenburgae Visser 1950
†Sigmomorphina semitecta Reuss 1867
†Sigmomorphina semitecta terquemiana Bertels 1964
Diagnosis
No diagnoses are available