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Robertina
Taxonomy
Robertina was named by d'Orbigny (1846) [Sepkoski's age data: T Than R]. It is extant. It was considered unknown by d'Orbigny (1846).
It was assigned to Robertininae by d'Orbigny (1846); to Turrilininae by Cushman (1927); to Buliminidae by Wienrich (1997); and to Foraminiferida by Sepkoski (2002).
It was assigned to Robertininae by d'Orbigny (1846); to Turrilininae by Cushman (1927); to Buliminidae by Wienrich (1997); and to Foraminiferida by Sepkoski (2002).
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. Robertina d'Orbigny 1846
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. D. d'Orbigny 1846 | Shell free, spiral, oblong, formed of a spiral wound obliquely and turriculate, composed of compartments parched across by a partition; the two parts undoubtedly coming one after the other in the increase, but representing on the whole a small bulime. The virgulaire opening is on the side of the last compartment. |