| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sigmavirgulina
Taxonomy
Sigmavirgulina is a genus. It is extant.
It was assigned to Foraminiferida by Sepkoski (2002); and to Fursenkoinidae by Margerel (2012).
It was assigned to Foraminiferida by Sepkoski (2002); and to Fursenkoinidae by Margerel (2012).
Species
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Rupelian to the top of the Late/Upper Pleistocene or 33.90000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 27.3 Ma
Minimum age of oldest fossil (stem group age): 27.3 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rupelian | North Pacific | S. tortuosa (250680) | |
| Late/Upper Pleistocene | North Atlantic | S. tortuosa (263773) |