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

tetrastylus, [673].

Stauroxiphos, [163].

gladius, [163].

Stegaspis, [819].

Stephanastrum, [549].

capitatum, [549].

quadratum, [549].

rhombus, [549].

Stephanida, [937].

Stephaniscus, [965].