 Hornibrook et al. 1989, Fig. 20.8a-c (Topotype): 0.86 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.90, Fig. 20:8a-c (Topotype).
Synonymy: 1864, Rotalia perforata, Novara-Exped. geol. 1(2): 81, pl. 16, fig. 13;
1971, Hornibrook, N.Z. Geol. Surv. paleont. bull. 43: 21, 22, pl. 4, fig. 69-71.
Description: Distinguished by the fairly large, inflated thick-walled test, strongly biconvex, usually with 12-14 chambers in the final whorl. Aperture extends over on the dorsal side along the base of the chamber. The test wall is thick and characteristically coarsely perforate and opaque with irridescent blotchy pink patches.
Distribution: Waitakian to Opoitian to Waipipian.
Comment: See C. semiperforatus (Bortonian - Kaiatan), C. maculatus (Stache) (Runangan – Duntroonian), C. neoperforatus Hornibrook (Tongaporutuan - Nukumaruan).
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.