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Globigerinoides diminutus
Taxonomy
Globigerinoides diminuta was named by Bolli (1957).
It was corrected as Globigerinoides diminutus by Kennett and Srinivasan (1983).
It was corrected as Globigerinoides diminutus by Kennett and Srinivasan (1983).
Sister species lacking formal opinion data
G. altiapetura, G. bolli, G. conglobatus, G. cyclostoma, G. extremes, G. helicinus, G. hellcinus, G. impensus, G. obiquus, G. obliquus, G. quadrilobatus, G. quadrilobatus, G. quadrilobatus, G. rubber, G. subsacculifer, G. transitorius, G. altiapertura, G. fistulosus, G. immaturus, G. kennetti, G. obliquus, G. parawoodi, G. praeprimordius, G. primordius, G. pyramidalis, G. quadrilobatus, G. rubescens, G. seiglei, G. seigliei, G. subquadratus, G. tenellus, G. triloba
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Globigerinoides diminuta Bolli p. 114 |
| 1983 | Globigerinoides diminutus Kennett and Srinivasan p. 74 |
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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.
†Globigerinoides diminutus Bolli 1957
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Bolli 1957 | Shape of test trochospiral; equatorial periphery almost subquadrate; axial periphery rounded. Wall calcareous, perforate, surface finely pitted. Chambers spherical in early stages, later becoming laterally somewhat compressed; about 10, arranged in about 2 1/2 whorls; the 3 chambers of the last whorl increase moderately in size. Sutures on spiral side radial, slightly depressed; on umbilical side radial, slightly depressed. Umbilicus small. Primary aperture small, almost circular, symmetrically above the suture line of the two previous chambers; interiomarginal, umbilical; supplementary sutural apertures, usually 2 of which are visible, are of similar shape and occupy the same symmetrical position over the sutures of earlier chambers. Coiling ?random. Largest diameter of holotype 0.27 mm. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available