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This empty test is beginning to show signs of decay. The study of the process of decay is called taphonomy; understanding the processes that cause certain changes in foraminiferal tests after death is very important for the reconstruction of paleoenvironments. Individual isolated from the Hamble estuary, southern England. Image courtesy of Dr. Elisabeth Alve, University of Oslo. Citation: Alve, E. and Murray, J.W. Ecology and taphonomy of benthic foraminifera in a temperate mesotidal inlet. Journal of Foraminiferal Research 24:18-27.
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Trochamminids are common inhabitants of estuarine environments. This species was the most common of its genus in the Sandebukta, an arm of the Oslofjord, Norway. Image courtesy of Elisabeth Alve, University of Oslo. Originally published in J. Foram. Res. 16: 261-284; used with permission.
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This test, which no longer contains a living foraminiferan, is beginning to decay. The small chambers at the top of the test are gone, leaving a spiral of holes where they once were. Individual isolated from the Hamble estuary, southern England. Image courtesy of Dr. Elisabeth Alve, University of Oslo. Citation: Alve, E. and Murray, J.W. Ecology and taphonomy of benthic foraminifera in a temperate mesotidal inlet. Journal of Foraminiferal Research 24:18-27.
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Notice the considerable difference in morphology between the spiral and umbilical faces. Image courtesy of Elisabeth Alve, University of Oslo. Originally published in J. Foram. Res. 16: 261-284; used with permission.
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Agglutinated multilocular foraminiferan islolated from sandy sediment in Eel Pond in Woods Hole, MA, USA by Laura Wegener Parfrey.
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This small foram (about 100 microns across) is living on the surface of the test of a much larger foram, Bathysiphon filiformis. The Bathysiphon test is 600 times as long as the Tritaxis one. Image courtesy of Andrew J. Gooday, Southampton Oceanography Centre. This image first appeared in J. Foram. Res 22:129-146 (1992) and is used with permission.
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