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Recent collections from six sections in Lanongla area,Tethyan Himalaya allow the establishment of four buchia assembles.In ascending they are Buchia-Buchia spitiensis,Buchia masquensis-Buchia rugasa,Buchia blanfordiana,Buchia piochii and Buchia subokensis assemblages.These Buchia assemblages first demonstrate that not only the Upper Jurassic strata but also the highest Buchia assemblage-Buchia subokensis,which appeared in Lower Cretaceous strata all over the world are present in Lanongla area.This first records the highest Buchia assemblage in Lanongla area.