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Globoturborotalita apertura
Taxonomy
Globigerina apertura was named by Cushman (1918). It is not extant.
It was recombined as Globigerina (Zeaglobigerina) apertura by Kennett and Srinivasan (1983); it was recombined as Zeaglobigerina apertura by Shipboard Scientific Party (1997); it was recombined as Globoturborotalita apertura by Lam and Leckie (2020).
It was recombined as Globigerina (Zeaglobigerina) apertura by Kennett and Srinivasan (1983); it was recombined as Zeaglobigerina apertura by Shipboard Scientific Party (1997); it was recombined as Globoturborotalita apertura by Lam and Leckie (2020).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1918 | Globigerina apertura Cushman p. 57 figs. Plate 12, Figs. 8a-c |
1983 | Globigerina (Zeaglobigerina) apertura Kennett and Srinivasan p. 44 |
1997 | Zeaglobigerina apertura Shipboard Scientific Party |
2020 | Globoturborotalita apertura 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.
†Globoturborotalita apertura Cushman 1918
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Diagnosis
Reference | Diagnosis | |
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J. A. Cushman 1918 | Test spiral, depressed, all the chambers visible from the dorsal side, the four chambers making the last-formed coil visible from the ventral side, chambers rapidly increasing in size; aperture very large, semicircular, opening into the central umbilical cavity. Diameter 0.50 millimeter. | |
J. P. Kennett and M. S. Srinivasan 1983 | Test low trochospiral, chambers spherical to subspherical, increasing uniformly in size as added, four chambers in the final whorl; sutures distinct, slightly curved, depressed, surface cancellate with distinct pores and pore pits, separated by interpore ridges. Aperture umbilical, very large, semi-circular with a distinct apertural rim. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range: base of the Late/Upper Cretaceous to the top of the Middle Pleistocene or 100.50000 to 0.12900 Ma
Collections (859 total)