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

furcatus, [274].

scoparius, [274].

Spongotripus, [580].

irregularis, [581].

neumayri, [581].

regularis, [580].

strepsiceros, [581].

ypsilon, [581].

Spongotrochida, [579].

Spongotrochiscus, [585].