This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Current identification/main database link: Globoconella miotumida (Walters 1965)
Original Description
Wall calcareous, perforate, umbilical surface and keel spinose, spiral side smooth.
Chambers angular with nearly 5 in the final whorl, increasing slowly in size with the final and antepenultimate chambers of about equal size, final chamber uncoiled towards the umbilical side with its peripheral margin not joined to first chamber of the final whorl; 20 chambers forming the test in 3 whorls; proloculus 0.01 rom diameter.
Spiral side sutures strongly recurved, umbilical side radial to slightly curved.
Umbilicus small. Aperture a low arch, interiomarginal, umbilical-extra-umbilicaI.
Size:
Etymology:
Extra details from original publication
Of the 48 specimens of G. miotumida explicationis in the type sample, 46 are sinistrally coiled.
Some of the smaller specimens do not have the uncoiled final chamber, but others of equal size have.
The largest specimen in the type population has a maximum diameter of 0.57 mm with the numbers of chambers in the final whorl varying between 4 and 5.
Jenkins, D. G. (1967). Jenkins, D. G. (1967). Planktonic foraminiferal zones and new taxa from the lower Miocene to the Pleistocene of New Zealand. New Zealand Journal of Geology and Geophysics. 10(4): 1064-1078. New Zealand Journal of Geology and Geophysics. 10(4): 1064-1078. gs References:
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Globorotalia miotumida explicationis compiled by the pforams@mikrotax project team viewed: 20-6-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=131205 Go to Archive.is to create a permanent copy of this page - citation notes |
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