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

pentactis, [479].

Pentalacorys, [1371].

Pentalastrum, [556].

asteracanthion, [556].

astropecten, [556].

cometa, [557].

ophidiaster, [557].

Pentaphormis, [1244].

Pentaplegma, [930].

decacantha, [930].