pygostylous

• a word derived from pygostyle.
  pygostyle

  noun

  the bone at the posterior end of the spinal column in birds, formed by the fusion of several caudal vertebrae.

More Suggestions

• pygostyle
• tristylous
• -dactylous
• adactylous
• decastylos
• dyostyle
• hypostyle
• pentastylos
• prostyle