pteranodon
Concise Oxford English Dictionary © 2008 Oxford University Press:
pteranodon /tɛˈranədɒn/
▶noun a large tailless pterosaur of the Cretaceous period, with a long toothless beak and a long bony crest.
– origin mod. L., from Gk pteron ‘wing’ + an- ‘without’ + odous, odont- ‘tooth’.
'pteranodon' also found in these Oxford entries:

