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Geography of end-Cretaceous marine bivalve extinctionsAnalysis of the end-Cretaceous mass extinction, based on 3514 occurrences of 340 genera of marine bivalves (Mollusca), suggests that extinction intensities were uniformly global; no latitudinal gradients or other geographic patterns are detected. Elevated extinction intensities in some tropical areas are entirely a result of the distribution of one extinct group of highly specialized bivalves, the rudists. When rudists are omitted, intensities at those localities are statistically indistinguishable from those of both the rudist-free tropics and extratropical localities.
Document ID
19930057078
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Raup, David M.
(NASA Headquarters Washington, DC United States)
Jablonski, David
(Chicago Univ. IL, United States)
Date Acquired
August 16, 2013
Publication Date
May 14, 1993
Publication Information
Publication: Science
Volume: 260
Issue: 5110
ISSN: 0036-8075
Subject Category
Life Sciences (General)
Accession Number
93A41075
Funding Number(s)
CONTRACT_GRANT: NSF INT-86-2045
CONTRACT_GRANT: NAGW-1508
CONTRACT_GRANT: NAGW-1527
CONTRACT_GRANT: NSF EAR-90-05744
Distribution Limits
Public
Copyright
Other

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