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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 286, Figs. 1-3: L. Permian (Asselian), southwest Darvaz. 1, 2, Axial section, inner whorls enlarged, x 100, and entire section, x 22; 3, axial section of holotype, x 22 (from Davydov, 1984). courtesy of Michael Hesemann https://foraminifera.eu
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Li, J. (1986). ???????????????¦(Maklaya)?????? - Discovery of Early Lower Permian the Maklaya fauna from Chongzuo of Guangxi. Professional Papers of Stratigraphy and Palaeontology, No. 15, Geological Publishing House, Beijing. 15: 80-95. page(s): p. 84 (Chinese), p. 91 (English), pl. 1, figs. 1-5 (holotype fig. 1).
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Davydov, V. I.; Arefifard, S. (2007). Permian fusulinid fauna of Peri-Gondwanan affinity from the Kalmard Region, East-central Iran and its significance for tectonics and paleogeography. Palaeontologia Electronica. 10: 1-40., available online at (https://palaeo-electronica.org/2007_2/00124/index.html) page(s): p. 6, fig. 4.12-16 (holotype 4.15). Scale bar: 0,1 mm.
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Read, M. T.; Nestell, M. K. (2018). Douglassites, a new genus of schubertellid fusulinid from the Virgilian (Upper Pennsylvanian) of Elko County, Nevada, U.S.A. Micropaleontology. 64(4): 317-327. page(s): p. 319, Plate 1, figures 1-4, 6-9 (holotype figs. 4a-4c).
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Thompson, M. L. (1951). New genera of fusulinid foraminifera. Contributions from the Cushman Foundation for Foraminiferal Research. 2: 115-119., available online at (https://cushmanfoundation.allenpress.com/portals/_default/files/pubarchive/CCFFR/02ccffr4.pdf) page(s): p. 116 pl. 13 figs. 1 (holotype)-12
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Sakagami, S.; Omata, T. (1957). Lower Permian fusulinids from Shiraiwa, northwestern part of Ome, Nishitama-gun, Tokyo-to, Japan. ?????????? - Japanese journal of geology and geography. 28: 247-264. page(s): p. 252 pl. 19 figs. 5 (holotype)-7
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Deprat, J. (1913). Étude des fusulinidés de Chine et d'Indochine. Les fusulinidés des calcaires Carbonifériens et Permiens du Tonkin, du Laos et du Nord-Annam. Mémoires du Service Géologique de l'Indochine. 2: 1-74., available online at (https://humazur.univ-cotedazur.fr/omeka-s-dev/s/humazur/item/1565) page(s): p. 41 pl. 7 figs. 23 (Lectotype designated by Thompson (1948, p. 36)-25
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Kanmera, K. (1956). Toriyamaia, a new Permian fusulinid genus from the Kuma massif, Kyushu, Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series. 24: 251–257., available online at (https://doi.org/10.14825/prpsj1951.1956.24_251) page(s): pp. 252-255, pl. 36, figs 1 (holotype)-14.
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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 286, Figs. 4-6: L. Permian (Asselian), Samegai Formation, Shiga Prefecture, Honshu, Japan. 4, 5, Axial sections of topotypes, x 40; 6, sagittal section, x 40 (from Skinner and Wilde, 1965).
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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 260, Figs. 12-14: Saurin. U. Permian (Murgabian), Cambodia. 12, Inner whorls of axial section, about x 100; 13, subaxial section, about x 100; 14, subsagittal section, x 85 (both 13 and 14 were indicated as "holotype" in the original publication; from Saurin, 1962). courtesy of Michael Hesemann https://foraminifera.eu
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Kanuma, M.; Sakagami, S. (1957). Mesoschubertella, a new Permian fusulinid genus from Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series. 26: 41-46., available online at (https://www.jstage.jst.go.jp/article/prpsj1951/1957/26/1957_26_41/_pdf) page(s): p. 43 pl. 8 [9 in the text] figs. 1-10; fig. 6 (holotype) x 30, fig. 7 Enlarged part of the holotype, showing the structure of the spirotheca, x 100.
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Staff, H. von; Wedekind, R. (1910). Der Oberkarbon Foraminiferensapropelit Spitzbergens. Mineralogisk-geologiska institutionen Uppsala universitet - Bulletin of the Geological Institution of the University of Uppsala. 10: 81–123. page(s): p. 121, pl. 4, figs. 7, 8
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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 261, Figs. 12-14: U. Carboniferous (Moscovian), China. 12, 14, Huanglung Limestone, Shimanshan; 13, Anshan, Hohsien, Anhui. 12, Sagittal section of paratype, x 30; 13, axial section of paratype, x 20; 14, axial section of holotype, x 30 (from Thompson, 1948). courtesy of Michael Hesemann https://foraminifera.eu