نتایج جستجو برای: upper paleozoic

تعداد نتایج: 206694  

Journal: :Botanical Gazette 1907

Journal: :Science 2008
John Alroy Martin Aberhan David J Bottjer Michael Foote Franz T Fürsich Peter J Harries Austin J W Hendy Steven M Holland Linda C Ivany Wolfgang Kiessling Matthew A Kosnik Charles R Marshall Alistair J McGowan Arnold I Miller Thomas D Olszewski Mark E Patzkowsky Shanan E Peters Loïc Villier Peter J Wagner Nicole Bonuso Philip S Borkow Benjamin Brenneis Matthew E Clapham Leigh M Fall Chad A Ferguson Victoria L Hanson Andrew Z Krug Karen M Layou Erin H Leckey Sabine Nürnberg Catherine M Powers Jocelyn A Sessa Carl Simpson Adam Tomasovych Christy C Visaggi

It has previously been thought that there was a steep Cretaceous and Cenozoic radiation of marine invertebrates. This pattern can be replicated with a new data set of fossil occurrences representing 3.5 million specimens, but only when older analytical protocols are used. Moreover, analyses that employ sampling standardization and more robust counting methods show a modest rise in diversity wit...

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