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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 272, Fig. 7: U. Carboniferous (U. Bashkirian), Penzenskaya Oblast. Axial section, x 35 (from Rauzer-Chernousouva and Fursenko, 1959). courtesy of Michael Hesemann https://foraminifera.eu
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Leven, E. Y. (1998). Stratigraphy and Fusulinids of the Moscovian Stage (Middle Carboniferous) in the Southwestern Darvaz (Pamir). Rivista Italiana di Paleontologia e Stratigrafia. 104(1): 3-42., available online at (https://doi.org/10.13130/2039-4942/6108) page(s): p. 22, pl. 3, figs. 1-2, 4 (holotype fig. 1).
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Ektova, L. A. (1989). ????? ????????? Fusiellidae ? ???????????? ????? ????????? ????????????????????? ????????? - A new family of Fusiellidae and genetic bonds of some Middle Carboniferous fusulinids. Annual of the all-union Paleontological Society. 22: 43-50. page(s): p. 48, pl. 1, figs. 1-5 (holotype fig. 1).
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Verville, G. J.; Thompson, M. L.; Lokke, D. H. (1956). Pennsylvanian fusulinids of eastern Nevada. Journal of Paleontology. 30: 1277-1287. page(s): pl. 133 figs. 1 (holotype)-13, Bartramella bartrami? figs. 14-18.
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Möller, V. von. (1878). Die Spiral-gewundenen Foraminiferen des russischen Kohlenkalks. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. ser. 7 vol. 25 n° 9., available online at (https://www.biodiversitylibrary.org/page/46592602) page(s): p. 76 pl. 11 figs. 1-3 Lectotype pl. 11 fig. 2 designated by Thompson (1948, p. 41)
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Möller, V. von. (1878). Die Spiral-gewundenen Foraminiferen des russischen Kohlenkalks. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. ser. 7 vol. 25 n° 9., available online at (https://www.biodiversitylibrary.org/page/46592602) page(s): p. 76 pl. 5 fig. 2, pl. 11 figs. 1-3
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Möller, V. von. (1878). Die Spiral-gewundenen Foraminiferen des russischen Kohlenkalks. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. ser. 7 vol. 25 n° 9., available online at (http://www.biodiversitylibrary.org/item/177334#page/737/) page(s): p. 51 pl. 1 fig; 2 a-h, pl. 7 fig. 1 a-d
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Möller, V. von. (1878). Die Spiral-gewundenen Foraminiferen des russischen Kohlenkalks. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. ser. 7 vol. 25 n° 9., available online at (http://www.biodiversitylibrary.org/item/177334#page/737/) page(s): p. 51 pl. 1 fig; 2 a-h, pl. 7 fig. 1 a-d
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Fang, H-Y. (1988). ??????????(??)??? - Fusulinids from the Maping Formation of Longhuo, Longlin, Guangxi. ??????? - Acta Micropalaeontologica Sinica. 5(4): 403-414. page(s): p. 406 (Chinese), pl. 1 figs. 7-10 (holotype fig. 10).
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Toriyama, R. (1953). New peculiar fusulinid genus from the Akiyoshi Limestone of Southwest Japan. Journal of Paleontology. 27(2): 251-256. page(s): p. 253 pl. 35 figs. 1 (holotype)-9
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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 271, Figs. 12-13: Carboniferous (Moscovian), USSR. Axial sections, x 17 (from Rauzer-Chernousova et al., 1951). 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 271, Figs. 8-11: 8, sagittal section, Maping Limestone, Kwangsi, China, x 15; 9, sagittal section, Chuanshan Limestone, Chekiang, China, x 15; 10, 11, axial sections, Chuanshan Limestone, Chekiang, China, x 15 (from S. Chen, 1934). courtesy of Michael Hesemann https://foraminifera.eu