Science

Science

SCIENCE NEWS March 10, 2006 Laotian Rodent Proves Living Fossil

	Image: COURTESY OF MARK A. KLINGER

When wandering through a hunter's market in Laos, Robert Timmins of the Wildlife Conservation Society happened upon a previously unknown rodent. Called kha-nyou by locals--or rock rat--the long-whiskered and furry-tailed rodent was reputed to favor certain limestone terrain. Western scientists named it Laonastes aenigmamus or stone-dwelling enigmatic mouse--partially because a live specimen has never been collected--and thought the rock rat represented a new family of mammals. But new research reported in today's Science proves that Laonastes actually represents a fossil come to life.