Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

circularis, [837].

concreta, [838].

diodon, [837].

elegans, [844].

icosastaura, [846].

hexagonalis, [836].

irregularis, [838].

micropora, [827].

pentagonalis, [836].

quadrata, [838].