Valvobifarina mackinnonii (Millett, 1900)
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https://doi.org/ 10.26879/811 |
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https://doi.org/10.5281/zenodo.11073763 |
persistent identifier |
https://treatment.plazi.org/id/03F787AB-FFCF-FF90-6881-FE4AFC515FAF |
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Felipe |
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Valvobifarina mackinnonii |
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Valvobifarina mackinnonii View in CoL (Millett, 1900a)
Figure 10.10 View FIGURE 10. 1
1900a Bifarina mackinnonii Millet , p. 281, pl. 2, fig. 15a-b.
1951 Valvobifarina mackinnoni (Millett) ; Hofker, p. 40, figs. 16-17.
1994 Valvobifarina mackinnoni (Millett) ; Loeblich and Tappan, pl. 254, figs. 9-12.
Description. Test long, wall calcareous, surface ornamented with slightly produced circular pores and acicular spines in the final chambers; chambers initially triserially arranged, later biserially and uniserially arranged; periphery angular, sutures distinct; oblique in later chambers; aperture a broad, horizontal slit-like opening, bordered by a thick lip.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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