Nowadays we might conflate many mythical creatures under the heading of dragon but to the heraldic artists there was a whole menagerie of quite distinct beasts, the cockatrice or basilisk being one of them. A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Cockatrice Whilst both the dragon and cocaktrice are winged and scaled, the cocaktrice stands on two legs rather than four. Given the reputation of the basilisk we should not be surprised to find its meaning ascribed as representing “terror to all beholders”. The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P86