(n.) A fossil bird, of the Jurassic period, remarkable for having a long tapering tail of many vertebrae with feathers along each side, and jaws armed with teeth, with other reptilian characteristics.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). archaeopteryx. Retrieved September 26, 2026, from http://smartdefine.org/archaeopteryx/definitions/1975517 |
| Chicago | Webster's. 2011. "archaeopteryx" http://smartdefine.org/archaeopteryx/definitions/1975517 (accessed September 26, 2026). |
| Harvard | Webster's 2011, archaeopteryx, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/archaeopteryx/definitions/1975517>. |
| MLA | Webster's. "archaeopteryx" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/archaeopteryx/definitions/1975517> |