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

macropodia, [1262].

polypodia, [1264].

pristipodia, [1262].

triloba, [1263].

umbellifera, [1263].

Acanthocorythium, [1264].

Acanthocyrtis, [1494].

Acanthocystis, [1461].

Acanthodesmia, [975].

arcuata, [1761].