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

quadrata, [1254].

quadratella, [1254].

scalaris, [1253].

spinosa, [1255].

trapezoides, [1254].

Sethornithium, [1356].

dictyopterum, [1356].

Sethosphæra, [71].

entosiphonia, [71].

entosolenia, [71].