Abstract A diverse labechiid stromatoporoid assemblage that includes 16 species in 8 genera was found the Upper Ordovician Xiazhen Formation (mid–late Katian) at Zhuzhai, Jiangxi Province of South China. The is characterized by a combination (1) North China provincial succeeding from their origination Darriwilian, including Pseudostylodictyon poshanense Ozaki, 1938, Labechia shanhsiensis Yabe a...

The conodont fauna of the reference succession regional British Llandeilian Stage Llanvirn Series was first described in a classical study by Rhodes more than 65 years ago using single element (form) taxonomy. Although several subsequent authors have recorded substantial number taxa from Llandeilo area, present is to modern taxonomic review these late Darriwilian-early Sandbian faunas that incl...

Siliciclastic rocks of the upper Byrd Group in the Transantarctic Mountains record rapid denudation and molasse deposition during Ross orogenesis along the early Paleozoic convergent margin of Gondwana. These rocks, which stratigraphically overlie Lower Cambrian Byrd carbonate deposits, are dominated by fresh detritus from proximal igneous and metamorphic sources within the Ross Orogen. Biostra...