 Hornibrook et al. 1989, Fig. 12.25a-b: 0.32 mm |
Reference: Hornibrook, Brazier & Strong 1989, p.52, Fig. 12:25a-b.
Synonymy: 1951, Globotruncana mayaroensis, Jour. Paleo. 25(2): 25, pl. 35, fig. 10-12;
1966, Globotruncana mayaroensis Bolli, Webb: 282, pl. 15, fig. 5.
Description: Low trochospiral; compressed; chambers crescentic to petaloid; sutures raised and curved on dorsal side, depressed and radiate on ventral; two keels, separated by an imperforate peripheral band, throughout.
Distribution: Upper Haumurian.
Comment: A. mayaroensis and A. intermedius grade into each other. Forms with a well developed ventral keel on the final chambers usually are assigned to A. mayaroensis..
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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