Early Permian Conodonts from the Baoshan Block, Western Yunnan, China

摘要

The Rabeignathus bucaramangus fauna was recently found from the limestone beds of the top part of the elastics-dominated Dingjiazhai Formation in the Aluotian section, southern Baoshan Block, western Yunnan. With Rabeignathus bucaramangus as the dominant species, this fauna includes Rabeignathus bucaramangus (Rabe), Homeoiranognathus huecoensis (Ritter), Sweetognathus inornatus Ritter, Sweetognathus whitei (Rhodes), Mesogondolella cf. bisselli (Clark and Betaken) and a few of ramiform elements. The characteristics of the fauna suggest that it can be correlated with the upper part of the Sweetognathus whitei Zone and assigned to the Middle Artinskian.