P
Peter J. Wagner
Researcher at University of Nebraska–Lincoln
Publications - 72
Citations - 4693
Peter J. Wagner is an academic researcher from University of Nebraska–Lincoln. The author has contributed to research in topics: Biodiversity & Phylogenetic tree. The author has an hindex of 34, co-authored 70 publications receiving 4419 citations. Previous affiliations of Peter J. Wagner include National Museum of Natural History & Smithsonian Institution.
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Journal ArticleDOI
Phanerozoic trends in the global diversity of marine invertebrates.
John Alroy,Martin Aberhan,David J. Bottjer,Michael Foote,Franz T. Fürsich,Peter J. Harries,Austin J.W. Hendy,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,Shanan E. Peters,Loïc Villier,Peter J. Wagner,Nicole Bonuso,Nicole Bonuso,Philip S. Borkow,Benjamin Brenneis,Matthew E. Clapham,Matthew E. Clapham,Leigh M. Fall,Chad Allen Ferguson,Victoria L. Hanson,Victoria L. Hanson,Andrew Z. Krug,Andrew Z. Krug,Karen M. Layou,Karen M. Layou,Karen M. Layou,Erin Leckey,Sabine Nürnberg,Catherine M. Powers,Jocelyn A. Sessa,Jocelyn A. Sessa,Carl Simpson,Carl Simpson,Adam Tomašových,Adam Tomašových,Christy C. Visaggi,Christy C. Visaggi +46 more
TL;DR: In this paper, a new data set of fossil occurrences representing 3.5 million specimens was presented, and it was shown that global and local diversity was less than twice as high in the Neogene as in the mid-Paleozoic.
Journal ArticleDOI
Effects of sampling standardization on estimates of Phanerozoic marine diversification
John Alroy,Charles R. Marshall,Richard K. Bambach,K. Bezusko,Michael Foote,Franz T. Fürsich,Thor A. Hansen,Steven M. Holland,Linda C. Ivany,David Jablonski,David K. Jacobs,D. C. Jones,Matthew A. Kosnik,Scott Lidgard,Sarah A. Low,Arnold I. Miller,Philip M. Novack-Gottshall,Philip M. Novack-Gottshall,Thomas D. Olszewski,Mark E. Patzkowsky,David M. Raup,Kaustuv Roy,J. John Sepkoski,M. G. Sommers,Peter J. Wagner,A. Webber +25 more
TL;DR: A new database of this kind for the Phanerozoic fossil record of marine invertebrates is introduced and four substantially distinct analytical methods that estimate taxonomic diversity by quantifying and correcting for variation through time in the number and nature of inventories are applied.
Journal ArticleDOI
Integrating ambiguously aligned regions of DNA sequences in phylogenetic analyses without violating positional homology.
TL;DR: A new method is presented that allows the inclusion of ambiguously aligned regions without violating homology in phylogenetic analyses by integrating previously nonaccessible characters without violating positional homology, and can improve branch length estimations when using parsimony.
Journal ArticleDOI
Systematics and the Fossil Record
Peter J. Wagner,Andrew B. Smith +1 more
TL;DR: The real purpose of Smith's book is not to provide a tutorial for cookbook cladistics, but instead to present an outline of the potential implications of phylogenetic studies on previous paleobiological studies and what paleontologists can do within a phylogenetic estimate.
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Abundance Distributions Imply Elevated Complexity of Post-Paleozoic Marine Ecosystems
TL;DR: It is suggested that the end-Permian extinction permanently altered prevailing marine ecosystem structure and precipitated high levels of ecological complexity and alpha diversity in the Meso-Cenozoic.