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

Discoidea, [402].

Discopylida, [571].

Discospira, [495].

accrescens, [499].

bilix, [496].

deformis, [498].

duplex, [497].

helicoides, [496].

operculina, [496].

spiralis, [496].