Paraconchoecia diacanthus n. sp., a new species of planktonic Ostracoda

In the analysis of samples of planktonic Ostracoda from the northeast of the East China ho and in the cooperative study on the Kureshio Of China and Japan,we discovered a new spotes belonging to Paraconchoecia.This specimen being different from other seven species of the "Procera" group in the genus in its having dorsal spines on both shells and other features, is named Paraconchoecia diacanthus n. sp.