Abnormal Ammonia beccarii (Linné, 1758)6 more Taxon Profile
found in surface sediments in the Kiel Fjord, Baltic Sea, Germany recent
The double test (twins) showing the fusion of two specimens of the same size by spiral sides of Ammonia beccarii (Linné, 1758)
Images and text with permission of I. Polovodova, University of Gothenburg Department of Earth Sciences, formerly IFM-GEOMAR from:
Irina Polovodova and Joachim Schönfeld, 2008: Foraminiferal test abnormalities in the western Baltic Sea in Journal of Foraminiferal Research, v. 38 (4), p. 318-336.