Two new species of the genus Callyspongia (Haplosclerida:Callyspongiidae) from Korea

In this study, two new species of the genus Callyspongia Duchassaing & Michelotti, 1864: Callyspognia pyeongdaensis sp. nov. and Callyspongia maraensis sp. nov. from Korea are described as new to science. All of the available information is presented in this study including the localities from which the species were collected and illustrations of spicule and skeleton.