Portal:Paleontology/On this day/April 30

April 30:

 * 1864 - Maria Gordon was born in Monymusk, Scotland.
 * 1891 - Joseph Leidy died in Philadelphia, Pennsylvania, USA at age 67.
 * 1991 - Beverly Halstead died.

First Evidence of Dinosaurian Secondary Cartilage in the Post-Hatching Skull of Hypacrosaurus stebingeri (Dinosauria, Ornithischia)

Alida M. Bailleul, Brian K. Hall, John R. Horner

published 30 Apr 2012