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Sphaeroidinellopsis disjuncta
Taxonomy
Sphaeroidinella disjuncta was named by Finlay (1940). It is not extant.
It was recombined as Sphaeroidinellopsis disjuncta by Kennett and Srinivasan (1983), Lam and Leckie (2020).
It was recombined as Sphaeroidinellopsis disjuncta by Kennett and Srinivasan (1983), Lam and Leckie (2020).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Sphaeroidinella disjuncta Finlay |
| 1983 | Sphaeroidinellopsis disjuncta Kennett and Srinivasan |
| 2020 | Sphaeroidinellopsis disjuncta Lam and Leckie |
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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.
†Sphaeroidinellopsis disjuncta Finlay 1940
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. P. Kennett and M. S. Srinivasan 1983 | Test low trochospiral, equatorial periphery trilobulate to quadrilobulate; chambers spherical to ovate, four in the final whorl; sutures on both spiral and umbilical sides distinct, radial, depressed; surface thick, cancellate, interpore areas thickened but not glossy; umbilicus small, deep; aperture interiomarginal, umbilical, bordered by a thick rim. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Altonian to the top of the Late/Upper Miocene or 18.70000 to 5.33300 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Altonian | New Zealand | Sphaeroidinellopsis disjuncta (77491) | |
| Altonian - Opoitian | New Zealand | Sphaeroidinellopsis disjuncta (45667) | |
| Late/Upper Miocene | Tanzania (Lindi) | Sphaeroidinellopsis disjuncta (179884) |