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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 190, Figs. 5-7: Holocene, Pacific. 5, Side view of microspheric specimen, x 55 (from Cushman and McCulloch, 1939); 6, 7, off Guadalupe Island, Mexico, side and edge views of megalospheric paratype, x 86 (from Loeblich and Tappan, 1964).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 187, Figs. 1-3: Pliocene (Plaisancian), S. of Siena, Italy. 1, Longitudinal section of microspheric test showing gradually enlarging chambers and canaliculate wall, x 85; 2, side view, SEM, x 50; 3, edge view showing aperture, SEM, x 50 (from Loeblich and Tappan, 1985).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 187, Figs. 8-12: U. Cretaceous (Navarro Group), Texas, USA. 8, 9, McQueeney, Texas; 8, part of longitudinal section showing pyrite-infilled canaliculi that may bifurcate near the outer surface of the wall, x 250; 9, center of basal view of slightly etched specimen to show globular proloculus and numerous chambers in the early whorls, SEM, X 300 (8, 9, from Loeblich and Tappan, 1985); 10-12, Austin, Travis County, base, side, and top views of topotype, x 68 (from Loeblich and Tappan, 1964).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 188, Figs. 1-3: U. Cretaceous, Westphalia, Germany. Side, top, and basal views, x 62 (1, 2, from Loeblich and Tappan, 1964).
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Hayward, B.W., Kawagata, S., Sabaa, A.T., Grenfell, H.R., van Kerckhoven, L., Johnson, K., and Thomas, E., 2012. The last global extinction (Mid-Pleistocene) of deep-sea benthic foraminifera (Chrysalogoniidae, Ellipsoidinidae, Glandulonodosariidae, Plectofrondiculariidae, Pleursostomellidae, Stilostomellidae), their Late Cretaceous-Cenozoic history and taxonomy: Cushman Foundation for Foraminiferal Research Special Publication, v. 43, pl. 39, fig 18.
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 153, Figs. 4-7: L. Oligocene, Matanzas Prov., Cuba. 4, 5, Side and top views of lectotype (USNM 498771), x 29; 6, 7, tangential and centered longitudinal half-sections of paratypes, x 29 (from Loeblich and Tappan, 1964).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 189, Figs. 16-18: U. Paleocene (Landenian), Salt Mountain Formation, Clarke County, Alabama, USA. Opposite sides and top view of holotype, x 74 .
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 188, Figs. 4-9, 21: U. Cretaceous (Santonian). 4-6, U. Santonian, Lerida Province, Spain, side, apertural, and basal views, x 78; 7-9, 21, Les Martigues, Dept. Bouches-du-Rhône, France; 7-9, base, top, and side views of holotype, x 60; 21, transverse section showing quadriserial arrangement, x 44; (7-9, 21, from Gendrot, 1963).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 188, Figs. 10-12: U. Cretaceous (Maastrichtian), France. Top view and opposite sides of holotype, x 85 (from Marie, 1954).
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Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 187, Figs. 4-7: L. Oligocene, New Zealand. 4, 5, Top and side views of probable megalospheric test, x 32; 6, 7, top and side views of microspheric test, x 32 (from Loeblich and Tappan, 1964).
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This fossil (Miocene) foram was collected at 44 deg 41' 54.6" N, 141 deg 59' 03.2" E, in Teshio Province, Hokkaido. The test is 0.67 mm long. Image courtesy of David B. Scott, Dalhousie University. This image was originally published in
Palaeologica Electronica, vol. 3, issue 2, and is used with the kind permission of that journal and the Paleontological Association.
