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105. Grichanov, I.Ya. 1997. Prohercostomus, a new subgenus of the genus Hercostomus Loew (Diptera: Dolichopodidae) from Baltic amber. - Paleontol. zhurn., no. 5, pp. 82--85 (in Russian). [Engl. transl.: Paleontol. J., 1997, vol. 31, no. 5, pp. 520--522].
