 Hornibrook et al. 1989, Fig. 17.13: 0.9 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.93, Fig. 17:13.
Synonymy: 1934, Trans. Roy. Soc. N.Z. 64: 144, pl. 20, fig. 3-6, 145, fig. 1-3.
Description: Conical dorsally, gently convex ventrally; on the dorsal side the chambers are numerous, added in an annular series; ventrally they appear radially elongate and the umbilical area is a broad, shallow depression: coarsely perforated all over without a distinct aperture.
Distribution: Kaiatan to Lower Whaingaroan.
Comment: Halkyardia is especially characteristic of Eocene in many parts of the world.
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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