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

octoceras, [681].

quadraticus, [680].

regularis, [680].

rhombicus, [681].

Cycladophora, [1376].

campanula, [1379].

davisiana, [1437].

discoides, [1397].

dodecapleura, [1378].

enneapleura, [1378].