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Globigerina triloba altiapertura
Taxonomy
Globigerinoides altiapertura was named by Bolli (1957). It is not extant.
Sister species lacking formal opinion data
G. angustitumbilicata, G. aperture, G. bolivariana, G. bulloides, G. calida, G. cariacoensis, G. ciperoensis, G. diplostoma, G. eocenica, G. euapertuna, G. hauterivica, G. infracretacea, G. irrorata, G. juvenalis, G. juvenilis, G. leroyi, G. lineaperta, G. lineaperta, G. menardii, G. nana, G. obesa, G. ouchitatensis, G. oxfordiana, G. praebulloides, G. praebuloides, G. pseodobulloides, G. pseudobullinoides, G. riveroae, G. spuriensis, G. steiningeri, G. tarchanensis, G. veguaensis, G. washitaensis, G. wilsoni, G. angulisuturalis, G. angulisuturalis, G. angustiumbilicata, G. brazeri, G. braziere, G. ciperoensis, G. connecta, G. eamesi, G. gnaucki, G. gortanii, G. labiacrassata, G. linaperta, G. officinalis, G. prasepis, G. pseudodruryi, G. sellii, G. senni, G. tripartita, G. venezulana, G. winkleri
Synonymy list
No taxonomic opinions are available
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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 triloba altiapertura Bolli 1957
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Bolli 1957 | Shape of test trochospiral ; equatorial periphery distinctly lobate (trilobate) ; axial periphery rounded. Wall calcareous, perforate, surface finely pitted. Chambers spherical; about 12, arranged in about 2 1/2 whorls; the 3 chambers of the last whorl increase rapidly in size. Sutm-es on spiral side between early chambers radial, later slightly ciu-ved and oblique, depressed; on umbilical side: radial, depressed. Umbilicus fairly narrow, deep. Primary apertiue, a high, distinct arch, interiomarginal, umbilical; the last few chambers show one supplementary sutural aperture about opposite the primary aperture. Coiling random. Largest diameter of holotype 0.55 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