1. Used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
   - Diapsida

Type of: reptile, reptilian

• radar target
• radarscope
• Radclyffe Hall
• raddle
• raddled
• Radhakrishnan
• radial
• radial artery
• radial asymmetry
• radial engine
• radial keratotomy
• radial nerve
• radial pulse
• radial symmetry
• radial tire
• radial tyre
• radial vein
• radial velocity
• radial-ply
• radial-ply tire
• radial-ply tyre
• radially
• radially symmetrical
• radian
• radiance