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

hexatholius, [687].

octacanthus, [667].

rectangulus, [686].

tetracanthus, [687].

Zonodiscida, [411].

Zonodiscus, [412].

saturnalis, [412].

Zygacantha, [746].

complanata, [748].

compressa, [747].