Abstract
Sinobelemnites from the Upper Triassic (Carnian, Julian 2) of the Luxi County, Yunnan Province, Southwest China are described and discussed, with two species: Sinobelemnites maantangensis and Sichuanobelus luxiensis sp. nov. Sichuanobelus luxiensis sp. nov. has a rostrum with a single alveolar groove along the dorsal side, with the rostral diameter increasing quickly along the rostrum cavum region. The rough rostral surface of Sinobelemnites is typical for the group. The occurrence of belemnites during the Carnian, especially during the Carnian Pluvial Episode (CPE), indicates the CPE as a drive for belemnite flourishment and preservation.
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