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Lin, J. X. (1984). Protozoa. In Yichan Institute of Geology and Mineral Resources (ed.), Biostratigraphy of the Yangtze Gorge area chiefly, (3) Late Paleozoic era. Museum Changzhou, Changzhou City, Jiangsu Province, Geological Publishing House, Beijing. 110–177 (In Chinese), 323–364 (In English). page(s): p. 144, pl. 7, figs. 11-12 (holotype pl. 7 fig. 12).
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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 328, Figs. 16-17: . Jurassic (U. Bajocian or L. Bathonian), Moldova. 16, Microspheric holotype, x 280; 17, megalospheric paratype, x 280 (from Danich, 1969). courtesy of Michael Hesemann https://foraminifera.eu
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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 335, Figs. 5-7: M. Triassic (U. Anisian), Turkey. 5, Transverse section of paratype, x 176; 6, longitudinal section of paratype, x 111; 7, side view of holotype, SEM, x 102 (from Langer, 1968). courtesy of Michael Hesemann https://foraminifera.eu
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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 335, Figs. 8-10: L. Jurassic (Lias), Germany. Specimens showing coiled second chamber of one to four volutions and later chambers forming an entire volution, x 100 (from Knauff, 1966). courtesy of Michael Hesemann https://foraminifera.eu
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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 342, Figs. 10-15: L. Cretaceous (Barremian), Dobrogea, Romania. 10, Side view: 11-14, sequence showing apertural changes from adult to juvenile; 15, horizontal section; magnifications not given (from Neagu, 1984). courtesy of Michael Hesemann https://foraminifera.eu
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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 342, Figs. 28-33: M. Miocene (U. Tortonian). Ukraine. 28-30, opposite sides and apertural view of holotype, x 40; 31-33, ontogenetic development of apertural tooth (from Serova, 1961). courtesy of Michael Hesemann https://foraminifera.eu
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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 342, Figs. 28-33: M. Miocene (U. Tortonian). Ukraine. 28-30, opposite sides and apertural view of holotype, x 40; 31-33, ontogenetic development of apertural tooth (from Serova, 1961). courtesy of Michael Hesemann https://foraminifera.eu
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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 363, Figs. 1-6: Eocene (Priabonian), Cluj region, Romania. 1, Diagram showing order of chamber addition, from the latest chamber (1) to the oldest at the center; 2, transverse section; 3, 4, decorticated specimens; 5, well-preserved specimen; 6, longitudinal section; magnification not given, specimens range from 0.8 mm to 1.5 mm in length (from Barbu, 1965). courtesy of Michael Hesemann https://foraminifera.eu
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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 363, Figs. 1-6: Eocene (Priabonian), Cluj region, Romania. 1, Diagram showing order of chamber addition, from the latest chamber (1) to the oldest at the center; 2, transverse section; 3, 4, decorticated specimens; 5, well-preserved specimen; 6, longitudinal section; magnification not given, specimens range from 0.8 mm to 1.5 mm in length (from Barbu, 1965). courtesy of Michael Hesemann https://foraminifera.eu
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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 363, Figs. 11-13: U. Cretaceous (Maastrichtian), Adrahent village, Lerida Province, Spain. 11, Transverse section, x 32; 12, transverse section of holotype, x 24; 13, longitudinal section, x 32 (from Bilotte, 1978).
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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 364, Figs. 13-15: U. Eocene, New Guinea. 13, Side view, x 14; 14, vertical section showing completely enveloping chambers with apertural trematophores of successive chambers alternately at opposite ends of the test, x 20; 15, horizontal section showing radiating vertical septula, x 18 (from Crespin, 1962).
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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 365, Figs. 7-11: M. Eocene, Chapelton Formation (Yellow Limestone Group), Jamaica. 7, Tangential section showing internal partitions, x 26; 8, equatorial section of megalospheric test, x 30; 9, 10, diagrammatic apertural and side views, about x 25; 11, central part of microspheric test in axial section, x 73 (from Robinson, 1974).
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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 366, Figs. 1-6: M. Eocene (Biarritzian), Lerida Province, Spain. 1, Tangential section, x 20; 2, axial section of microspheric test, here designated as lectotype, x 20; 3, axial section of slightly crushed microspheric test, x 20; 4, axial section of megalospheric test, x 40; 5, axial section intersecting the trematophore, x 20; 6, axial section of megalospheric test, x 40 (from Caus, 1979).
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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 368, Figs. 1-5: U. Cretaceous (Campanian-Maastrichtian), Southwest Peloponnesus, Greece. 1, Central part of microspheric test in equatorial section, x 25; 2, centered subaxial section, x 34; 3, equatorial section of holotype, x 34; 4, subaxial noncentered section, x 10; 5, section perpendicular to the equatorial plane and cutting the uncoiled chambers, x 34 (from Fleury, 1974).
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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 366, Figs. 7-11: U. Cretaceous. 7-9, 11, Campanian, Murcia Province, Spain; 10, Maastrichtian of Cosina, Istria, Slovenia. 7, Tangential median section, x 41; 8, axial section, x 60; 9, equatorial section of holotype, x 29; 10, exterior, x 35; 11, equatorial section, x 41 (7-9, 11, from Fourcade, 1966; 10, from Hamaoui and Fourcade, 1973).
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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 370, Figs. 1-11: U. Cretaceous (U. Senonian), Yugoslavia. 1, Longitudinal section, x 20; 2, lectotype, x 30; 3, microspheric juvenile on polished surface, magnification not given; 4, section of early stage with primary apertures (a) visible at left and right beneath centrat thickened margin of last chamber, x 40; 5, lateral view of corroded surface of flabelliform test, x 20; 6, subequatorial polished half-section of nepiont, magnification not given; 7, oblique transverse section cutting the chambers of the uncoiled part, x 30; 8, oblique transverse half-section on polished surface, magnification not given; 9, oblique axial section, x 37; 10, axial section, x 40; 11, transverse section parallel to the septum, x 34 (1, 2, 5, 7, from Bignot, 1971; 3, 4, 6, 8, 10, from Reiche!, 1984; 9, 11, from Hamaoui and Fourcade, 1973).
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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 372, Fig. 2: Paleocene, S. France. Structural diagram (from Reiche!, 1937). courtesy of Michael Hesemann https://foraminifera.eu
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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 376, Fig. 7: Paleocene, Egypt. Axial section of neotype, originally described as Alveolina ovulum Stache, in Schwager, x 36 (from Reichel, 1937). courtesy of Michael Hesemann https://foraminifera.eu
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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 380, Figs. 1-6: U. Cretaceous (Cenomanian), lle Madame, Charente Maritime, France. 1, Axial section of topotype, x 27; 2, oblique axial section of juvenile, x 27; 3, structural diagram, x 50; 4, axial section of spherical microspheric test, x 27; 5, tangential section showing large preseptal space and short septula, x 27; 6, equatorial section of megalospheric test, x 27 (from Reichel, 1937). courtesy of Michael Hesemann https://foraminifera.eu
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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 384, Figs. 1-2: U. Cretaceous (L. Cenomanian), Mexico. 1, Subaxial section of paratype showing streptospiral coiling and septula in later chambers, x 35; 2, megalospheric holotype, x 54 (from Fourcade, Tardy, and Vita, 1975).
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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 393, Figs. 5-8: U. Cretaceous (Maastrichtian), Cuba. 5, Horizontal section of megalospheric test, x 25; 6, side view, x 22; 7, apertural view, x 24; 8, axial section, x 45 (from Seiglie, 1961). courtesy of Michael Hesemann https://foraminifera.eu
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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 395, Figs. 4-8: . Paleocene, Yugoslavia. 4, Axial section of microspheric holotype showing umbilical depression at the sides, x 40; 5, axial section of microspheric test, x 40; 6, oblique section crossing the last three whorls and showing tendency to uncoil in the gerontic stage, x 40; 7, section of megalospheric testparallel to the equatorial plane, x 40; 8, oblique section intersecting the last two whorls, x 40 (from Drohne, 1975). courtesy of Michael Hesemann https://foraminifera.eu
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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 397, Fig. 1: U. Cretaceous (Campanian), Tovillas, Alava Province, Spain. Exterior of specimen showing meandriform chambers, x 10 (from Ciry, 1964): courtesy of Michael Hesemann https://foraminifera.eu
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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 402, Figs. 1-4: U. Cretaceous (Santonian), Huanuco Viejo Aguamiro, Peru. 1, Subaxial transverse section of microspheric topotype cut parallel to the septum, at the left showing radial pillars that attach at the base but are detached above, at right intersecting septum with three rows of apertures, x 40; 2, subequatorial section of paratype, cutting radial and interseptal pillars, x 20; 3, lateral view of microspheric lectotype showing spiralling chambers, x 5; 4, equatorial section showing interseptal pillars narrow at the midpoint, wider and fusing at their base, x 100 (from G. Bizon et al., 1975). courtesy of Michael Hesemann https://foraminifera.eu