ステノが舌石をサメの歯の化石と認めた経緯に関する覚書

概要

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Niels Stensen (Steno) is known as a founder of the law of superposition and is also known as recognizing that Glossopetraeoriginated in fossilized shark's teeth in the seventeenth century. When Stensen dissected a head of a gigantic shark Carcalodonin Firenze, Italy, he noticed that the shark's teeth were very similar to Glossopetrae which were found in Malta. His workon shark dissection revealed the origin of fossils in rock. Various descriptions have been written about the process heunderwent from his observation and dissection of the shark's head to the completion of his dissertation on geological aspectsof fossilization. It is very important to describe the historical episode to cite original references. The Japanese translations ofSteno's biography, The Seashell on the Mountaintop （Cutler, 2003） and Yamada's（ 2004） Japanese translation of Prodromus（Steno, 1669） provide suitable information about Steno's exact and detailed academic achievements.
2009-03-30