 Hornibrook et al. 1989, Fig. 18.19a-b (Topotype): 1.28 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.97, Fig. 18:19a-b (Topotype).
Synonymy: 1864, Rosalina mackayi, Novara-Exped. geol. 1(2): 82, pl. 16, fig. 14;
1968, Neorotalia mackayi, Hornibrook, Handbook of New Zealand microfossils, DSIR Inf. Ser. 62: 63, fig. 10;
1971, Pararotalia mackayi, Hornibrook, N.Z. Geol. Surv. paleont. bull. 43: 19,20, pl. 3, fig. 55-57, pl. 13, fig. 3-7, text-fig. 2a-g (Calcarina).
Description: Large, involute ventrally, partially evolute dorsally, ventral side with thick ribs and double rows of nodules converging towards a central umbo, aperture a curved small opening near the base of the last chamber and with an internal toothplate. In section, the walls are thick, and a thick plug of shell forms the core of ventral area; an internal spiral canal sends out branching radial sutural canals.
Distribution: Upper Whaingaroan? Duntroonian to Clifdenian.
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.