Results 11 to 20 of about 24,683 (81)

Functional diversity of marine ecosystems after the Late Permian mass extinction event [PDF]

, 2014
Article can be accessed from http://www.nature.com/ngeo/journal/v7/n3/full/ngeo2079.htmlThe Late Permian mass extinction event was the most severe such crisis of the past 500 million years and occurred during an episode of global warming.
A Baud, A Brayard, AE Webb, AH Knoll, AI Miller, AI Miller, AJ McGowan, AM Bush, AM Bush, AM Bush, DH Erwin, DM Raup, E Flügel, GJ Vermeij, GR McGhee, GT Lloyd, J-P Zonneveld, JJ Sepkoski, JL Payne, JL Payne, JW Valentine, M Hautmann, ME Clapham, ME Clapham, MJ Benton, MK Reichow, ML Fraiser, ND Jacobsen, PA Allison, PB Wignall, PB Wignall, PM Novack-Gottshall, PW Signor, RH Green, Richard J. Twitchett, RJ Twitchett, RJ Twitchett, RJ Twitchett, RK Bambach, S Villéger, S-Z Shen, SB Pruss, SM Stanley, T Kearsey, TK Baumiller, TW Beatty, WI Ausich, William J. Foster, Y Sun, Z-Q Chen   +49 more
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Near-stasis in the long-term diversification of Mesozoic tetrapods [PDF]

, 2015
How did evolution generate the extraordinary diversity of vertebrates on land? Zero species are known prior to ~380 million years ago, and more than 30,000 are present today.
Alroy, J, Benson, RBJ, Butler, RJ, Carrano, MT, Lloyd, GT, Mannion, PD   +5 more
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Paleobiology Database User Guide Version 1.0 [PDF]

, 2023
The Paleobiology Database is an online, non-governmental, non-profit public resource for paleontological data. It is organized and operated by a multi-disciplinary, multi-institutional, international group of paleobiological researchers.
Allen, Bethany, Behboudi, Noushin, Clapham, Matthew, Dunne, Emma, Hendy, Austin, Holroyd, Patricia, Hopkins, Melanie, Mannion, Philip, Novack-Gottshall, Phil, Pimiento, Catalina, Uhen, Mark, Wagner, Peter   +11 more
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Sedimentología y vertebrados fósiles de la Formación Santa Cruz (Mioceno temprano) en Lago Posadas, suroeste de Patagonia, Argentina [PDF]

, 2019
Lago Posadas se ubica al pie de los Andes Patagónicos Australes, en el suroeste de Argentina, donde la Formación Santa Cruz (FSC) del Mioceno temprano muestra afloramientos potentes y lateralmente continuos.
Aramendía, Inés, Bargo, María Susana, Cuitiño, José Ignacio, Vizcaíno, Sergio Fabián   +3 more
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Longevity of orders is related to the longevity of their constituent genera rather than genus richness

, 2006
Longevity of a taxonomic group is an important issue in understanding the dynamics of evolution. In this respect a key observation is that genera, families or orders can each be assigned a characteristic average lifetime [Van Valen, L., (1973 ...
Bornholdt, Stefan, Sneppen, Kim, Westphal, Hildegard   +2 more
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Climate constrains the evolutionary history and biodiversity of crocodylians [PDF]

, 2015
The fossil record of crocodylians and their relatives (pseudosuchians) reveals a rich evolutionary history, prompting questions about causes of long-term decline to their present-day low biodiversity.
Benson, RBJ, Butler, RJ, Carrano, MT, Judd, J, Mannion, PD, Tennant, JP   +5 more
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Allometric shell growth in infaunal burrowing bivalves: Examples of the archiheterodonts Claibornicardia paleopatagonica (Ihering, 1903) and Crassatella kokeni Ihering, 1899 [PDF]

, 2018
We present two cases of study of ontogenetic allometry in outlines of bivalves using longitudinal data, a rarity among fossils, based on the preserved post-larval record of shells.
Perez, Damián, Santelli, María Belén
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The radiation of cynodonts and the ground plan of mammalian morphological diversity [PDF]

, 2013
Cynodont therapsids diversified extensively after the Permo-Triassic mass extinction event, and gave rise to mammals in the Jurassic. We use an enlarged and revised dataset of discrete skeletal characters to build a new phylogeny for all main cynodont ...
Anderson MJ, Benton MJ, Botha-Brink J, Botha-Brink J, Hammer Ø, Harmon LJ, Hopson JA, Hopson JA, Kemp TS, Luo Z-X, Mantel N, Ripley BD, Ruta M, Schluter D, Sidor CA, Swofford DL, Tatarinov LP, Yu W   +17 more
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Nemesis Reconsidered

, 2010
The hypothesis of a companion object (Nemesis) orbiting the Sun was motivated by the claim of a terrestrial extinction periodicity, thought to be mediated by comet showers.
Adrian L. Melott, Alroy, Alroy, Bambach, Clube, Cornette, Davis, Foote, Gies, Goodman, Gradstein, Hills, Hut, Iorio, Lieberman, Melott, Muller, Muller, Raup, Richard K. Bambach, Rohde, Scargle, Sepkoski, Sepkoski, Thompson, Torbett, Whitmire   +26 more
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A soluble model of evolution and extinction dynamics in a rugged fitness landscape [PDF]

, 1997
We consider a continuum version of a previously introduced and numerically studied model of macroevolution (PRL 75, 2055, (1995)) in which agents evolve by an optimization process in a rugged fitness landscape and die due to their competitive ...
David M. Raup, David M. Raup, David M. Raup, David M. Raup, David M. Raup, J. J. Sepkoski, Kim Sneppen, M. E. J. Newman, Norman T. J. Bailey, P. Bak, Paolo Sibani, Paolo Sibani, Paolo Sibani, Richard E. Lenski, S. A. Kauffman, S. Wright, Stephen Jay Gould, Steven M. Stanley, Stuart Kauffman, Tomasz K. Baumiller   +19 more
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