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Spirosigmoilina
Taxonomy
Spirosigmoilina is a genus. It is not extant.
It was assigned to Sigmoilinitinae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
It was assigned to Sigmoilinitinae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Spirosigmoilina Loeblich and Tappan |
| 2002 | Spirosigmoilina Sepkoski |
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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. †Spirosigmoilina
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Miocene to the top of the Pleistocene or 23.04000 to 0.01170 Ma
Collections (47 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene | North Pacific | S. pusilla, S. distorta (266162) S. pusilla, S. tenuis (266164) S. tenuis (266168) | |
| Pliocene | North Pacific | S. pusilla (266156 266157 266159) | |
| Pleistocene | North Pacific | S. distorta (261592 261593 261594 261596 261597 261599 261986 267498 267504 267505 267512) S. distorta, S. tenuis (261992) S. pusilla (262005) S. tenuis (261604 261988 261991 261998 262009 262014) | |
| Pleistocene | South Pacific | S. tenuis (272299 272303 272304 272311 272312 272313 272314 272315 272316) | |
| Pleistocene | North Atlantic | S. pusilla (264309 264310 264315 264316 264318 264329) | |
| C2r.1r | North Pacific | S. distorta (268039 268040 268042 268043) S. tenuis (268038 268041) | |
| Brunhes | North Pacific | S. distorta (268019) |