Genus age, provincial area and the taxonomic structure of marine faunas

Proceedings. Biological Sciences
Paul G HarnikJames W Valentine


Species are unevenly distributed among genera within clades and regions, with most genera species-poor and few species-rich. At regional scales, this structure to taxonomic diversity is generated via speciation, extinction and geographical range dynamics. Here, we use a global database of extant marine bivalves to characterize the taxonomic structure of climate zones and provinces. Our analyses reveal a general, Zipf-Mandelbrot form to the distribution of species among genera, with faunas from similar climate zones exhibiting similar taxonomic structure. Provinces that contain older taxa and/or encompass larger areas are expected to be more species-rich. Although both median genus age and provincial area correlate with measures of taxonomic structure, these relationships are interdependent, nonlinear and driven primarily by contrasts between tropical and extra-tropical faunas. Provincial area and taxonomic structure are largely decoupled within climate zones. Counter to the expectation that genus age and species richness should positively covary, diverse and highly structured provincial faunas are dominated by young genera. The marked differences between tropical and temperate faunas suggest strong spatial variation in evolutio...Continue Reading


May 28, 1994·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·S NeeP H Harvey
Jul 21, 1993·Journal of Theoretical Biology·B Burlando
May 9, 1998·Proceedings of the National Academy of Sciences of the United States of America·Kaustuv RoyG Rosenberg
Nov 25, 1998·Bone Marrow Transplantation·J SarráA Grañena
May 17, 2003·Science·David JablonskiPhilip S Anderson
May 29, 2003·Proceedings. Biological Sciences·Roland Jansson
Dec 23, 2003·Evolution; International Journal of Organic Evolution·Folmer Bokma
Apr 18, 2006·Proceedings of the National Academy of Sciences of the United States of America·James W ValentineKaustuv Roy
Aug 23, 2006·Ecology·Steven W Kembel, Stephen P Hubbell
Oct 7, 2006·Science·David JablonskiJames W Valentine
Aug 24, 2007·Journal of Evolutionary Biology·Robert E RicklefsT M Townsend
Sep 18, 2007·The American Naturalist·Nathan J B KraftDavid D Ackerly
Feb 14, 2008·Proceedings. Biological Sciences·Andrew Z KrugJames W Valentine
Mar 28, 2008·PLoS Biology·Albert B Phillimore, Trevor D Price
Apr 10, 2008·Proceedings. Biological Sciences·Marcel CardilloAndy Purvis
May 30, 2008·Proceedings. Biological Sciences·Natalie CooperAndy Purvis
Oct 1, 2008·Trends in Ecology & Evolution·Brent C Emerson, Rosemary G Gillespie
Oct 29, 2008·The American Naturalist·Robert E Ricklefs
Feb 7, 2009·Science·Andrew Z KrugJames W Valentine
Feb 13, 2009·Nature·David N Reznick, Robert E Ricklefs
Feb 14, 2009·Astrobiology·Andrew Z KrugKaustuv Roy
Mar 24, 2009·The American Naturalist·Daniel L Rabosky
Mar 28, 2009·Proceedings. Biological Sciences·Kaustuv RoyJames W Valentine
May 7, 2009·Proceedings of the National Academy of Sciences of the United States of America·David Jablonski, John A Finarelli
May 29, 2009·Ecology Letters·Jeannine Cavender-BaresSteven W Kembel
Jul 22, 2009·Evolution; International Journal of Organic Evolution·Marcio R Pie, Marcel K Tschá
Aug 8, 2009·Science·Kaustuv RoyDavid Jablonski
Dec 25, 2009·Evolution; International Journal of Organic Evolution·Daniel L Rabosky
Mar 1, 1970·Evolution; International Journal of Organic Evolution·Daniel S Simberloff


Jun 14, 2013·Proceedings of the National Academy of Sciences of the United States of America·David JablonskiJames W Valentine
Aug 26, 2011·Biology Letters·Michael Foote
Nov 10, 2013·PloS One·Daril A Vilhena, Andrew B Smith
Apr 23, 2015·Proceedings of the National Academy of Sciences of the United States of America·Shan HuangDavid Jablonski
Aug 11, 2011·Systematic Biology·Graeme T LloydAndrew B Smith
May 20, 2011·Integrative and Comparative Biology·Maria P MigliettaFrancesco Santini

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