Early Middle Jurassic vertebrate microremains from the Three Gorges area, southern China

作者: Qinghua Shang , Gilles Cuny , Lide Chen

DOI: 10.1080/08912960701616935

关键词: FaunaElasmobranchiiHybodusActinopterygiiCretaceousVertebrateAdaptive radiationCrocodylomorphaGeologyPaleontology

摘要: Vertebrate microremains were collected from the Middle Jurassic freshwater deposits of Lower Member Xietan Formation in Three Gorges area, Hubei Province, People's Republic China. They include remains hybodont sharks (Hybodus aff. “H.” parvidens, Hybodus sp., cf. Parvodus Polyacrodus sp. and Hubeiodus ziguiensis gen. et nov.), an actinopterygian fish, a crocodyliform. The diversity appearance peculiar pattern tooth morphology suggest adaptive radiation these systems China during Jurassic. This diversification led to rich endemic faunas Cretaceous Asia.

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