The materials which form the subject of the present paper was collected fromthe Upper Devonian Hsiehkingssu formation of Changyang district,W.Hupeh.The majority of the ostracods are more or less ironized,and are usually wellpreserved.The specimens illustrated and described in this paper comprise 15 species in11 genera,of them 4 genera and 11 species are new.The Hsiehkingsuu formation of Changyang district of Hupeh is estimatedabout 30 meters in thickness.The ostracods obtained from the thin-bedded and argillaceous limestones i.e. from the middle part of this formation are