(n.) A fossil echinoid.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). echinite. Retrieved October 2, 2026, from http://smartdefine.org/echinite/definitions/2001466 |
| Chicago | Webster's. 2011. "echinite" http://smartdefine.org/echinite/definitions/2001466 (accessed October 2, 2026). |
| Harvard | Webster's 2011, echinite, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/echinite/definitions/2001466>. |
| MLA | Webster's. "echinite" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/echinite/definitions/2001466> |