Ninadiscus Temporal range:
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a drawing of Ninadiscus strobulatus, cephalon and pygidium | |
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Genus: | Ninadiscus Korobov, 1980
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Ninadiscus Korobov, 1980,[1] is a genus of Eodiscinid trilobite belonging to the family Weymouthiidae Kobayashi (1943),[2] Order Agnostida Salter (1864).[3] 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.