 Hornibrook et al. 1989, Fig. 28.9a-c: 0.63 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.132, Fig. 28:9a-c.
Synonymy: 1865, Rotalia menardii, Parker, Jones & Brady, Ann. mag. nat. hist. ser. 3(16): 20, pl. 3, fig. 81;
1960, R. menardii, Banner & Blow, Contr. Cushman Fdn 11 (1): 31, pl. 6, fig. 2a-c (lectotype);
1971, Globorotalia (G.) menardii, Jenkins, N.Z. Geol. Surv. pal. bull. 42: 90, 91, pl. 6, fig. 135-137;
1983, G. (Menardella) menardii, Kennett & Srinivasan, Neogene Planktonic Foraminifera, p. 124, pl. 28, fig. 2, pl. 29, fig. 1-3, text-fig. 14 (Globorotalia cultrata ).
Description: Distinguished by the large laterally compressed, low trochospiral form, with five to six chambers in the final whorl, periphery lobulate, strongly keeled, sutures on spiral side strongly recurved, surface smooth and densely perforate, aperture a low, lipped arch extending from the periphery into a wide shallow umbilicus.
Distribution: Occurs sporadically in the Upper Miocene (Waiauan?- Tongaporutuan), and Lower Pliocene (Opoitian).
Comment: A small form occurring rarely in the lower Nukumaruan of Hawkes Bay has been referred to G. menardii by Hornibrook (1976, Progress in Micropaleontology, Special Pub. Micropal. Press, p. 92, pl. 1, fig. 12).
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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