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Globigerina (Zeaglobigerina) brazieri
Taxonomy
Globigerina brazieri was named by Jenkins (1966). It is not extant.
It was recombined as Globigerina (Zeaglobigerina) brazieri by Kennett and Srinivasan (1983).
It was recombined as Globigerina (Zeaglobigerina) brazieri by Kennett and Srinivasan (1983).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Globigerina brazieri Jenkins p. 1098 |
| 1983 | Globigerina (Zeaglobigerina) brazieri Kennett and Srinivasan p. 43 |
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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.
†Globigerina (Zeaglobigerina) brazieri Jenkins 1966
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. G. Jenkins 1966 | Test free, low trochospiral, sinistrally coiled, spiral side convex; equatorial periphery quadrilobate, axial periphery rounded. Wall calareous, perforate, fairly coarsely pitted. Chambers with spherical outline, 16 arranged in 3 whorls, with 5 in the first and second whorls and 4 in the third whorl, proloculus diameter about 0'01 mm; chambers increase rapidly in size in the final whorl. Sutures on the spiral and umbilical sides radial to slightly curved, depressed. Umbilicus open, deep. Aperture high rounded circular shaped, distinct arch with a thick rim, umbilical in position. Maximum diameter 0'45 mm. | |
| J. P. Kennett and M. S. Srinivasan 1983 | Test subquadrate, low trochospiral, chambers spherical to subspherical, increasing rapidly in size as added; three to three and a half chambers in the final whorl; sutures radial to slightly curved and depressed on both sides; surface distinctly cancellate; the pores occupy well-developed pore pits seperated by interpore ridges. Umbilicus open, deep; aperture high with a thick rim, umbilical in position. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available