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Virgulopsis
Taxonomy
Virgulopsis was named by Finlay (1939) [Sepkoski's age data: T Ol-u R]. It is extant. It was considered unknown by Finlay (1939).
It was assigned to Sagrininae by Finlay (1939); and to Foraminiferida by Sepkoski (2002).
It was assigned to Sagrininae by Finlay (1939); and to Foraminiferida by Sepkoski (2002).
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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. Virgulopsis Finlay 1939
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. J. Finlay 1939 | Test small, calcareous, finely perforate, strongly built and compact, compressed-cylindrical, biserial for nearly whole shell, but with small initial triserial part and blunt apex, heavily sculptured by irregular plicae and pustules, aperture large, Loxostomid. Microspheric form shows triserial character strongly and is theoretically like the Cretaceous. The heavy ornament, wide aperture and type of growth are unlike Virgulina; perhaps nearest Sagrina, but this is much more compressed with extensive slit aperture and vertical linear sculpture. |