- pteranodon
[pteranodon 词源字典]
- "A large tailless pterosaur of the Cretaceous period, with a long toothless beak, a long bony crest, and a wingspan of up to 7 m", Modern Latin, from Greek pteron 'wing' + an- 'without' + odous, odont- 'tooth'.[pteranodon etymology, pteranodon origin, 英语词源]