Ninadiscus
It lived during the Botomian Stage = late Lower Cambrian Stage 4 ( upper of two stages subdividing the un-named Series 2 ) ; the upper Botomian boundary corresponds to the base of the Middle Cambrian , the Miaolingian Series and Wuliuan Stage . 
<triplet> Miaolingian <subj> Wuliuan <obj> has part <triplet> Wuliuan <subj> Miaolingian <obj> part of