 Hornibrook et al. 1989, Fig. 27.1a-c: 0.51 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.128, Fig. 27:1a-c.
Synonymy: 1926, Globigerina bulloides var. tripartita, Ecol. geol. Helv. 19(3): 746, text-fig. 21a, b;
1971, Globoquadrina tripartita Jenkins, N.Z. Geol. Surv. paleont. bull. 42: 167, 168, pl. 17, fig. 525-530.
Description: Distinguished from G. dehiscens by its larger size, with only three chambers in the final whorl, more prominent apertural plate in juveniles, and with much more inflated chambers. The typically wide open umbilicus is often covered by a bulla-like small final chamber.
Distribution: Duntroonian to lower Altonian. Specimens figured are from the Otaua Group, Hokianga Harbour, Otaian (after Jenkins).
Cite this publication as: "Strong CP, Raine JI, Terezow M. 2018. Key
species of New Zealand fossil foraminifera: descriptions from "Manual of New
Zealand Permian to Pleistocene Foraminiferal Biostratigraphy" by Hornibrook,
Brazier and Strong, 1989. Lower Hutt (NZ): GNS Science. (GNS Science
miscellaneous series; 123)."
ISSN 1172-2886, ISBN 978-1-98-853088-8,
DOI 10.21420/G2M63W.
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