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

Hexaplectida, [927].

Hexapleuris, [1257].

Hexapylida, [567].

Hexapyle, [568].

circularis, [569].

dodecantha, [569].

hexacantha, [569].

polyacantha, [570].

sexangula, [568].

triacantha, [569].