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

amphipyramis, [147].

tetraphractum, [335].

Stylocyclia, [462].

amphacantha, [463].

arachnia, [510].

dimidiata, [462].

excavata, [463].

prionacantha, [462].

Stylocyclida, [461].

Stylodictya, [509].