Leigh Van Valen (August 12, 1935 – October 16, 2010) was an American evolutionary biologist. At the time of his death, he was professor emeritus in the...

Eucosmodontidae. The genus Stygimys ("Styx mouse") was named by R.E. Sloan and Leigh Van Valen in 1965. The name comes from the Styx (river of hell) from Greek mythology...

taxa. In 1973, Leigh Van Valen proposed the hypothesis as an "explanatory tangent" to explain the "law of extinction" known as "Van Valen's law", which states...

Intertrappean Beds of Madhya Pradesh, India. Its specific epithet honors Leigh Van Valen. It was described as one of the earliest known condylarths. Paleontology...

founding editor-in-chief was Leigh Van Valen, later joined by Melissa Stoller. Easton, John (20 October 2010). "Leigh Van Valen, evolutionary theorist and...

in 1998. Paratriisodon was first synonymised with Andrewsarchus by Leigh Van Valen in 1978, and the latter genus was reassigned to the subfamily Triisodontinae...

investigation. HeLa cells were described by evolutionary biologist Leigh Van Valen as an example of the contemporary creation of a new species, dubbed...

The Modern Denial of Human Nature Mutual Aid: A Factor of Evolution Leigh Van Valen (June 20, 2000). "How the Left Got Darwin Wrong". Scientific American...

extinction in accordance with the Red Queen's hypothesis suggested by Leigh Van Valen in 1973. The Bintje potato is derived from a cross between Munstersen...

however old their lineage is. It is named for the evolutionary biologist Leigh Van Valen. von Baer's laws, discovered by Karl Ernst von Baer, state that embryos...