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Mesozoic hybodont sharks from Asia and their relationships to the genus Ptychodus
Jurassic Cretaceous Hybodontiformes Ptychodontidae Asia
2009/10/20
The affinities of the selachian genus Ptychodus is discussed and Hemiptychodus is here re-introduced as a subgenus characterized by unusual tooth ornamentation pattern.An overview ofAsian hybodont gen...
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Paleozoic accretionary tectonics of the Western Kunlun Range, China: new SHRIMP zircon ages from the Kudi ophiolite and associated granites, and implications for the crustal growth of Central ...