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Anomalina ariminensis d'Orbigny in Fornasini, 1902
Description Revets, S. A. (1994). The status of the genus Anomalina d'Orbigny, 1826. The Journal of Foraminiferal Research. 24(4): 296-304., available online at https://doi.org/10.2113/gsjfr.24.4.296page(s): p. 298, pI. 2., figs. 1-9.
Anomalina ariminensis d’Orbigny, topotypes. 1. Spiral side, with large central boss (250 µm). 2. Umbilical side, with the small raised umbilical plug (250 µm). 3. Side view, spiral side towards the right (250 µm). 4. Spiral side of a specimens with a smaller spiral plug (200 µm). 5 . Close-up of the spiral lip of the final chamber, with the adjacent spiral groove (50 µm). 6. Close-up of the aperture, note the absence of umbilical extensions (50 µm).7. Overview of a partially sectioned specimen (250 µm). 8. Close-up of the last few chambers in the spiral region, showing the free access to the chambers via spiral relict apertures (100 µm). 9. Light microscope view (polarised light) of a thin section, showing the orientation of the specimens, with the large plug definitely on the spiral side, pointing to the right (250 µm). PNG file - 697.18 kB - 757 x 928 pixels added on 2025-09-1737 viewsForaminifera taxa Anomalina ariminensis d'Orbigny in Fornasini, 1902checked Le Coze, François 2025-09-17
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