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IN MEMORY OF CYRIL A. WALKER Distribution of the predentary bone in Mesozoic ornithurine birds
predentary bone ornithurines Cretaceous China
2014/3/26
In this paper we review the distribution of the predentary bone in Mesozoic ornithurine birds. The predentary bone, well
known in ornithischian dinosaurs, has now been reported not only in hesperorni...
N MEMORY OF CYRIL A. WALKER Distribution of the predentary bone in Mesozoic ornithurine birds
predentary bone ornithurines Cretaceous China
2014/3/26
In this paper we review the distribution of the predentary bone in Mesozoic ornithurine birds. The predentary bone, well
known in ornithischian dinosaurs, has now been reported not only in hesperorni...
Cut marks on bone suggest burial rituals of Early Britons（图）
bone burial rituals Early Britons the Mesolithic period
2009/8/10
Research on human remains from Kent’s Cavern in Devon has led scientists to believe that humans from the Mesolithic period (after the Ice Age) may have engaged in complex ritualistic burial practices,...