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Mehra, H.R. 1962. Revision of Brachylaemidae Joyeux et Foley, 1930, with new subfamilies Thapariellinae and Urotrematinae and new family Harmotrematidae with its subfamilies Harmotrematinae Yamaguti, 1933, and Helicotrematinae n. subfam. Proc. Nat. Ac>>>.