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Tenuitella angustiumbilicata
Taxonomy
Globigerina ciperoensis angustiumbilicata was named by Bolli (1957).
It was recombined as Globigerina angustiumbilicata by Blow and Banner (1962); it was recombined as Globigerina (Globigerina) angustiumbilicata by Kennett and Srinivasan (1983); it was recombined as Tenuitellinata angustiumbilicata by Li (1987); it was recombined as Tenuitella angustiumbilicata by Huber et al. (2006).
It was recombined as Globigerina angustiumbilicata by Blow and Banner (1962); it was recombined as Globigerina (Globigerina) angustiumbilicata by Kennett and Srinivasan (1983); it was recombined as Tenuitellinata angustiumbilicata by Li (1987); it was recombined as Tenuitella angustiumbilicata by Huber et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Globigerina ciperoensis angustiumbilicata Bolli p. 109 |
| 1962 | Globigerina angustiumbilicata Blow and Banner |
| 1983 | Globigerina (Globigerina) angustiumbilicata Kennett and Srinivasan p. 31 |
| 1987 | Tenuitellinata angustiumbilicata Li |
| 2006 | Tenuitella angustiumbilicata Huber et al. |
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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.
†Tenuitella angustiumbilicata Bolli 1957
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Bolli 1957 | Shape of test very low trochospiral; equatorial periphery distinctly lobate, axial periphery rounded. Wall calcareous, perforate, surface smooth or very finely pitted. Chambers spherical; about 12, arranged in about 2 1/2 whorls; the 4-5 chambers of the last whorl increase moderately to fairly rapidly in size. Sutures on spiral side depressed, radial; on umbilical side depressed, radial. Umbilicus small. Aperture a medium to low arch; interiomarginal, umbilical, often with a thin lip. Coiling random. Largest diameter of holotype 0.24 mm. | |
| J. P. Kennett and M. S. Srinivasan 1983 | Test very low trochospiral, four to five slowly increasing, subglobular chambers in the final whorl. Sutures on both sides radial and depressed; surface smooth to very finely rugose; umbilical region small; aperture very low arch with a thin lip. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Oligocene to the top of the Aquitanian or 27.30000 to 20.45000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | North Atlantic | Globigerina angustiumbilicata (121377) | |
| Late/Upper Oligocene | North Atlantic | Globigerina angustiumbilicata (121376 121378) | |
| Late/Upper Oligocene | Antigua and Barbuda | Globigerina ciperoensis (94179 94184 94185 94186) | |
| Aquitanian | Austria | Tenuitellinata angustiumbilicata (99160) |