 Hornibrook et al. 1989, Fig. 18.20a-b (Topotype): 1.0 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.87, Fig. 18:20a-b (Topotype).
Synonymy: 1939, Trans. Roy. Soc. N.Z. 69(1): 123, pl. 14, fig. 82-84.
Description: Small, subglobular, smooth, thick-walled, involute and strongly convex and inflated dorsally; partially evolute and flattened or concave ventrally, often with a small ventral rim or keel and a wide, deep umbilicus; aperture within umbilicus, covered by a narrow tooth plate.
Distribution: Duntroonian to Tongaporutuan.
Comment: Recorded present day in deep water in the tropical Pacific (Todd, 1965, U.S. Nat. Mus. bull. 161(4): 28.
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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