GNS Science Manual of New Zealand Permian to Pleistocene
Foraminiferal Biostratigraphy


Key species of New Zealand fossil foraminifera:
descriptions from
"Manual of New Zealand Permian to Pleistocene Foraminiferal Biostratigraphy" by Hornibrook, Brazier and Strong, 1989



Vulvulina bortonica Finlay



Hornibrook et al. 1989, Fig. 33:3: 1.3 mm (2 uniserial chambers)
.

Reference: Hornibrook, Brazier & Strong 1989, p.148, Fig. 33:3.

Synonymy: 1947, N.Z. Jl. Sci. Terh. 28B(5): 263, pl. 3, fig. 30-32.

Description: Resembles V. zespinosa but larger and broader, with carinate serrated margins and 5 to 6 biserial chambers on either side with distinctly curved, depressed sutures in the megalospheric form. Usually up to 3 uniserial chambers but up to 7 recorded by Finlay.

Distribution: Bortonian to Runangan.


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.

This publication is © copyright in 2018 by GNS Science and is licenced for re-use under a Creative Commons Attribution 4.0 International Licence. Please note that this licence does not apply to any included logos, emblems or trade marks.

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