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

armata, [568].

Pylonida, [628].

Pylonium, [654].

circozonium, [654].

hexazonium, [655].

nephropylium, [655].

octacanthum, [655].

quadricorne, [655].

stenozonium, [656].

Pylospira, [697].