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Last updated on April 24, 2014 at 21:24 EDT

Latest Rudists Stories

Reef Fish Arrived In Two Waves
2014-04-11 10:11:10

University of California, Davis The world's reefs are hotbeds of biological diversity, including over 4,500 species of fish. A new study shows that the ancestors of these fish colonized reefs in two distinct waves, before and after the mass extinction event about 66 million years ago that wiped out the dinosaurs. Reef fish represent one of the largest and most diverse assemblages of vertebrates, according to Samantha Price, a postdoctoral researcher in the Department of Evolution and...

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2011-02-23 10:56:19

An international research team, with Spanish participation, has discovered a new species of mollusk, Polyconites hadriani, in various parts of the Iberian Peninsula. The researchers say this species, which is the oldest in its genus, adapted to the acidification of the oceans that took place while it was in existence. This process could now determine the evolution of modern marine systems. The new species Polyconites hadriani, which was discovered in 2007, has been crowned the oldest in the...