The type material of the Miocene to Recent species <i>Globigerinoides sacculifer</i> (Brady) revisited

  • Williams M
  • Schmidt D
  • Wilkinson I
  • et al.
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Abstract

<p><strong>Abstract.</strong> The detailed test morphology of the type suite of specimens for the planktonic foraminifer <i>Globigerinoides sacculifer</i> (Brady) is illustrated for the first time since the species was identified in 1877. Fossil representatives of this species are a key index for oceanographic reconstruction of the Neogene and Quaternary tropics. The types of <i>G. sacculifer</i>, sourced from a loose ‘chalk’ block on a beach in New Ireland, Papua New Guinea, all bear a sac-like terminal chamber and are heavily calcified. They have undergone gametogenesis. Scanning electron microscopy identifies calcite fabrics of the test that were formed post-ontogenetically.</p>

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Williams, M., Schmidt, D. N., Wilkinson, I. P., Miller, C. G., & Taylor, P. D. (2010). The type material of the Miocene to Recent species &lt;i&gt;Globigerinoides sacculifer&lt;/i&gt; (Brady) revisited. Journal of Micropalaeontology, 25(2), 153–156. https://doi.org/10.1144/jm.25.2.153

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