Four ancient cockroach species in the Ectobius genus were recently discovered in the 49-million-year-old Green River Formation near Rifle, Colo., and it now appears that Ectobius may have originated in the New World.
Fuente : http://www.eurekalert.org/pub_releases/2014-01/eso...
Fuente : http://www.eurekalert.org/pub_releases/2014-01/eso...