Authors Year Title
Kuzina & Yatskov 1999 Nizhne- i srednekamennougol#nye ammonoidei Novoi Zemli.
Trudy Paleontologicheskogo Instituta, Rossiiskaia Akademiia Nauk, 275: 1-144, 16 pls., 72 figs., Moskva.
Kyuma & Nishida 1987 Akiyoshiceras, A New Neoicoceratid Ammonoid Genus from the Upper Carboniferous of Akiyoshi.
Bulletin of the Akiyoshi-dai Museum of Natural History, 22: 23-41, 8 figs., 3 tabls., 5 pls., Shuho.
Moore, Neves & Wagner 1971 The stratigraphy of Namurian and Westphalian rocks in the Villamanín area of Northern León, N.W. Spain. [Moore,L.R., Neves,R., Wagner,R.H. & Wagner-Gentis,C.H.T.]
Trabajos de Geología, 3: 307-363, fig.1-7, tab.1-2, pl.1-8; Oviedo.
Nishida 1971 Carboniferous Ammonoids from Akiyoshi.
Bulletin of the Akiyoshi-dai Science Museum, 7: 1-24, 11 figs., 1 tabl., 7 pls., Shuho, Yamaguchi pref., Japan.
Popov 1970 Ammonoidei. In: Stratigrafiya kamennougol'nykh i permskikh otlozhenii Severnogo Verkhoyan'ya.
Trudy Nauchno-issledovatel'skogo instituta Geologii Arktiki,  1970: 113-140, fig.5-27, pl.13-19; Leningrad.
Popov 1979 Kamennougol'nye ammonoidei Donbassa i ikh stratigraficheskoe znachenie.
Vsesoyuznyi ordena Lenina nauchno-issledovatel'skii geologicheskii institut, Trudy, novaia seriya, 220: 1-106, figs. 1-10, pl.1-12, Leningrad.
Wagner-Gentis 1985 A possible Atokan goniatite fauna from the basal Moscovian (Westphalian A) deposits at Piedrasluengas, N.W. Spain.
Senckenbergiana lethaea, 65 (4/6): 337-345, fig.1-2, pl.1; Frankfurt am Main.