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2. Aksenova, L. M. (1987): Novye konodonty iz zlihovskih otlozhenii Gornogo Altaya. — Nov. vidy. drevn. rast. i bespozvonochn. phanerozoya Sibiri.: 90–95, pls 26–27; Novosibirsk.
3. Al-Rawi, D. (1977): Biostratigraphische Gliederung der Tentaculiten-Schichten des Frankenwaldes mit Conodonten und Tentaculiten (Unter- und Mittel-Devon; Bayern, Deutschland). — Senckenbergiana lethaea,58 (1/3): 25–79, 5 text-figs, 8 pls; Frankfurt am Main.
4. Apekina, L. S. (1989): Novyi konodont is nizhnego devona Zeravshanskogo khrebta. — Paleont. Zhurn.,1: 119–120, 1 pl.; Moskva.
5. Apekina, L. S. &Mashkova, T. V. (1978): Atlas of the paleontological plates. Supplement to a Guide of the Field Excursion. — Pls 73–78; Tashkent.