12064_2008_53_Article 1..9

First Page		Document Content
Date: 2011-08-10 05:51:03 Background extinction rate David M. Raup Extinction Biology Ecology Nature Nautiloids Jack Sepkoski Extinction event		12064_2008_53_Article 1..9 Add to Reading List Source URL: www.itp.uni-bremen.de Download Document from Source Website File Size: 657,02 KB Share Document on Facebook

	Journal of the History of Biology: 209–237 DOIs10739y SpringerStephen Jay Gould, Jack Sepkoski, and the ‘Quantitative DocID: 1mQTP - View Document
	Alvarez, W., L.W. Alvarez, F. Asaro, and H.V. MichelThe end of the Cretaceous: Sharp boundary or gradual transition? Science, 223, Bohor, B.F., E.E. Foord, P.J. Modreski, and D.M. TriplehornMin DocID: 14foI - View Document
	The monster nautiluses of the Palaeozoic Dr Neale Monks (UK) T he handful of nautilus species DocID: 13syA - View Document
	12064_2008_53_Article 1..9 DocID: 12K1J - View Document
	Explanation of Plate 2 (All figures 3 times natural size. In each transverse section the counter septum is placed at the top.) Lophophyllidium mundulum, n. sp., Pumpkin Creek limestone, 220 feet above Lester limestone, DocID: RRC6 - View Document