新手求助,请大家多多帮忙!十分感谢! 1[题名]Paleozoic Trace Fossils from the Kufra Basin, Libya [作者]Turner B.R. & Michael E.J. [来源]Journal of Paleontology [卷期页码]57(3):447-460. [年]1983 2[题名]Asymmetry of Zoophycus burrows as a way-up criterion [作者]Pudsey C. [来源]Seimentology [卷期页码]30,301:304 [年]1983 3[题名]The trace fossil Zoophycos as an indicator of water depth [作者]Osgood R.G. & Szmuc E.J. 1972. [来源]Bulletion of American Paleontology [卷期页码]62(271):5-21 [年]1972 4[题名]Trace fossils and Batymetry of the Upper Cretaceous Point Loma Formation,San Diego, California [作者]J.Philip Kern & John E.Warme [来源]Geological Society of America Bulletion [卷期页码]85,893-900 [年]1974
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