Before the Dinosaurs' Demise, a Clambake Extinction?

New evidence from the sea floor just off Antarctica points to a major extinction there a geologic moment before the huge cosmic impact 65.5 million years ago that killed the dinosaurs.

Bibliographic Details
Published in:Science
Main Author: Kerr, Richard A.
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 2012
Subjects:
Online Access:http://dx.doi.org/10.1126/science.337.6100.1280
https://syndication.highwire.org/content/doi/10.1126/science.337.6100.1280
Description
Summary:New evidence from the sea floor just off Antarctica points to a major extinction there a geologic moment before the huge cosmic impact 65.5 million years ago that killed the dinosaurs.