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Boninella boninensis Matsumaru, 1996
Description Matsumaru, K. (1996). Tertiary larger foraminifera (Foraminiferida) from the Ogasawara Islands, Japan. Paleontological Society of Japan Special Paper. 36: 1-239., available online at http://www.palaeo-soc-japan.jp/download/SP/SP36.pdfpage(s): p. 48, Plate 4, figures 1-4; Plate 5, figure 8; Fig. 23-3 (holotype pl. 4 fig. 1).
1-2, 4. Equatorial sections of megalospheric form. 1a. Showing the whole test of megalospheric form.
Holotype, Saitama University coIl. no. 8806. x 40, 1b. Enlarged form of Figure 1a showing two spires of
subquadrate to arcuate chambers originated from bilocular embryonic chambers. x 100, 2. Whole test of megalospheric form showing two low trochospiral spires of subquadrate to arcuate chambers. x 40, 4a. Showing central part of megalospheric test. x40, 4b. Enlarged form of Figure 4a showing two spires of subquadrate to arcuate chambers from bilocular embryonic chambers. x 100, 3. Axial section of
megalospheric form showing double low trochoid spire. x 40. Minamizaki Limestone; Localities: 1. 45,
3, 4. 43 (Both of 1304 Section), 2. 1305 (Minamisaki Cape). JPG file - 305.80 kB - 555 x 780 pixels added on 2024-01-1867 viewsForaminifera taxa Boninella boninensis Matsumaru, 1996 †checked Le Coze, François 2024-01-18
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