Asserto, R., 1963, The Paleozoic formations in central Elborz (Iran), Riv. Ital. Paleont. Strat., V. 69, PP. 503-543.
Gaetani, M., 1968, The geology of the upper Djadjerud and Lar valleys, II: Palaeontology, lower Carboniferous Brachiopods from central Elborz, Iran, Riv. Ital. Paleont., V. 74, n.3, PP. 665-744.
Golshani, F., Janvier, Ph., 1974, Tooth fragment of a petalodontid fish (Elasmobranchii, Bradyodonti) from the permian of central Iran, Geological survey of Iran, Report No. 31, PP. 55-61.
Huckriede, R., Kursten, M., and Venzlaff, H., 1962, Zur Geologie des Gebietes Zwischen Kerman und Zagand (Iran), Geol. Beihefte jb. Hannover 51, PP. 1-197.
Ingavat, R., Janvier, Ph., 1981, Bradyodont (Chondrichthyes) Teeft from the Permian and Carboniferous of Northern Thailand, Geobios n:14, facs. 5, PP. 651-653.
Movahhed Aval, M., Samimi Namin, M. and Ghasemipur, R., 1968, Recent Phosphate Discoveries in Iran, Part II: Upper Devonian Phosphate, Geological survey of Iran, Report No. 10, PP. 14-55.
Obrouchev, D.V., 1964, Subclass Holocephali (chimeras), in Oznovii Paleontologii (Ed. Orlov, Y.A.), PP. 353-419.
Zittel, K.A.V., 1902, Text book of Palaeontology, Vol. II, PP. 35-44.
