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Oxytropidoceras posted a topic in Fossil NewsFish Species Rapidly Diversified in the Wake of Dinosaur Extinction Nicolette Ross, Louisiana state University, March 21, 2018 http://www.lsu.edu/mediacenter/news/2018/03/21bio_faircloth_fish2.php Alfaro, M.E., Faircloth, B.C., Harrington, R.C., Sorenson, L., Friedman, M., Thacker, C.E., Oliveros, C.H., Černý, D. and Near, T.J., 2018. Explosive diversification of marine fishes at the Cretaceous–Palaeogene boundary. Nature ecology & evolution, p.1. https://www.nature.com/articles/s41559-018-0494-6 Brant Faircloth’s Lab - http://faircloth-lab.org/ Yours, Paul H.
Anchiornis posted a topic in Fossil NewsAccording to this recent study, the popular belief that mammals diversified after the extinction that killed the non-avian dinosaurs is incorrect; mammals diversified in the shadow of the dinos long before the extinction, and actually had a drop in diversity after it. The reason for this diversification was the evolution of angiosperms (flowering plants), which provided mammals with new food sources. Research paper: http://rspb.royalsocietypublishing.org/content/283/1832/20160256 Simplified version: http://www.sci-news.com/paleontology/early-mammals-diversification-03931.html