Mass extinction victim survives! Snail long thought extinct, isn't
Thursday, June 2, 2011 - 08:01
in Paleontology & Archaeology
(PhysOrg.com) -- Think "mass extinction" and you probably envision dinosaurs dropping dead in the long-ago past or exotic tropical creatures being wiped out when their rainforest habitats are decimated. But a major mass extinction took place right here in North America in the first half of the 20th century, when 47 species of mollusk disappeared after the watershed in which they lived was dammed.