Morphologie und Ultrastruktur des Hai‐ “Schmelzes”
作者： Wolf-Ernst Reif
DOI: 10.1111/J.1463-6409.1974.TB00753.X
关键词: Anatomy 、 Compressive strength 、 Enameloid 、 Broad spectrum 、 Dentition 、 Neoselachii 、 Cladodont 、 Enamel paint 、 Biology 、 Mesozoic
摘要: Sharks at the cladodont and hybodont level (Paleozoic Mesozoic) have blunt fangs crushing teeth. These are covered by a thin sculptured uniform “enamel” cap, with high compressive strength. The radiation of modern sharks in middle Mesozoic leads primarily to broad spectrum different fang, or cutting tooth dentition. This is accompanied modifications anatomical characters shark's body but also development three new types, which give teeth bending
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