КерастыКерастыCerastesКерастыCerastesв античности и средневековых европейских бестиариях рогатая гадюкав античности и средневековых европейских бестиариях рогатая гадюкаis African snake with movable horns which appears in some Greek, Latin sources and medieval bestiariesв античности и средневековых европейских бестиариях рогатая гадюкаis African snake with movable horns which appears in some Greek, Latin sources and medieval bestiaries