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Earth and Life pp 967-981 | Cite as

Miocene Asteroid Impacts: Proposed Effects on the Biogeography and Extinction Patterns of Eastern North American Gastropods

  • Edward J. PetuchEmail author
Part of the International Year of Planet Earth book series (IYPE)

Abstract

New information on the pattern of Early Neogene asteroid impacts and interplanetary dust clouds appear to parallel extinction events seen in the eastern North American Transmarian Province. It is hypothesized that the extraterrestrial events of the Miocene were sufficiently severe to account for the three main pulses of extinction and speciation during this time. Gastropod faunal composition is used to test this theory.

Keywords

Eastern North America Asteroid impacts Transmarian Province Serravallian asteroid impacts and hypothesized extinctions Interplanetary dust clouds Climatic optimum speciation pulses 

Notes

Acknowledgments

It is a pleasure to thank Anton E. Oleinik of Florida Atlantic University for reviewing the manuscript, helping lay out the plates and for drafting Figs. 1 and 2. Mardie Drolshagen of Black Diamond Studios, Delray Beach, Florida, took excellent digital photos of specimens and helped draft the biogeographic maps. Thomas Darragh of Museum Victoria gave a helpful review of the manuscript. John Talent encouraged me to submit this manuscript for the International Year of Planet Earth volume.

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.Department of GeosciencesFlorida Atlantic UniversityBoca RatonUSA

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