Lyapin, V.R. & Bagirov, S.V. (2014)
The first record of Copodus Davis, 1883 (Chondrichthyes, Copodontiformes) from the Steshevian Regional Stage (Serpukhovian, Lower Carboniferous) of the Moscow Region. Paleontological Journal, 48(10), 1045–1059
DOI: 10.1134/S0031030114100050
Lebedev, O.A. & Lyapin, V.R. (2004)
Vertebrates of the Kashirian Regional Stage (Moscovian, Middle Carboniferous) and a new find of an earliest synechodontiform (Elasmobranchii, Pisces). In Kalabin, G.V., Bessudnova, Z.A., Kandinov, M.N., Starodubtseva, I.A. (Eds.). Materials of the Confernce "Problems in regional Geology: Museum Aspect", dedicated to the 150 anniversary of the founder of the Moscow museum geological school Academician A.P. Pavlov(1854–1929) and Honorary Academician M.V. Pavlova(1854–1938): 161–164
Lyapin, V.R. & Lebedev, O.A. (2001)
Revision of the genus “Lophodus” Romanowsky, 1864 [Abstract]. In Lebedev, O.A.(comp.), Obruchev Symposium “Evolutionary Palaeoichthyology”, Palaeontological Institute of the RAS, Moscow, 13–16 March, 2001: 29
Lebedev, O.A. & Lyapin, V.R. (2001)
Change of the species concept of Lagarodus angustus (Romanowsky) and the composition of the family Orodontidae (Subterbranchialia, Chondrichthyes) [Abstract]. In Lebedev, O.A.(comp.), Obruchev Symposium “Evolutionary Palaeoichthyology”, Palaeontological Institute of the RAS, Moscow, 13–16 March, 2001: 26