New distribution is given for Conchoecia elegans G. O. Sars and C. spinirostris C. Claus. Ten new species are described: Philomedes carcharodonta, Pontocypris clemensi, Cythere alveolivalva, C. uncifalcata, Hemicythere bicarina, Cythereis serridentata, Loxoconcha dentarticula, L. tenuiungula, Paradoxostoma fraseri, P. striungulum. Cythereis obesa Lucas is placed in Hemicythere.