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Species Globorotalia (Globoconella) zealandica Hornibrook 1958 | ||||||
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| Diagnosis / Definition: | ||||||
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Kennett & Srinivasan (1983): Test low trochospiral, equatorial periphery quadrilobate; chambers inflated, compressed, four in the final whorl increasing slowly in size; sutures on the spiral side depressed and slightly curved, on umbilical side depressed, slightly sinuous to radial; surface uniformly perforated with small, subhexagonal pore pits; umbilicus small; aperture a distinct rimmed arch, interiomarginal, umbilical-extraumbilical. |
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| Discussion / Comments: | ||||||
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Kennett & Srinivasan (1983): Gr. (G.) zealandica differs from its direct ancestor Gr. (G.) incognita in its larger test size and in the development of more inflated umbilical side and in peripheral compression. |
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| Kennett & Srinivasan (1983): 1958 Globorotalia zealandica Hornibrook. - Hornibrook : p.667 figs 18,19,30
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| References: | ||||||
Hornibrook,N. (1958): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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