 Hornibrook et al. 1989, Fig. 17.19 (Topotype): 0.65 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.86, Fig. 17:19 (Topotype).
Synonymy: 1948, Jl. paleont. 22(3): 297, pl. 40, fig. 5;
1961, Hornibrook, N.Z. Geol. Surv. paleont. bull. 34(1): 167, pl. 27, fig. 524, 530 (Amphistegina).
Description: Smooth, strongly biconvex, involute ventrally, with a translucent umbilical area, supplementary peripheral chambers; a cluster of papillae near the aperture; partly evolute dorsally.
Comparison: Differentiated here from Amphistegina because it is partly evolute dorsally.
Distribution: Kaiatan to Lower Whaingaroan.
Comment: Also A. waiareka Finlay (1939) (Kaiatan to Lower Whaingaroan) and A. lornensis Finlay (1939) (Kaiatan to Runangan). See Hornibrook 1961; Larsen, A. R. 1978 Rev. Espan. Micropal. 10(2): 217- 243..
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.