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

cruciata, [647].

dodecaceros, [649].

fusiformis, [646].

nephropyle, [645].

octacantha, [648].

pleuracantha, [646].

pluteus, [649].

polyacantha, [1761].

quadricornis, [647].

quadrigata, [648].