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

Hexalonchida, [179].

Hexalonchidium, [191].

axonometrum, [191].

Hexancistra, [188].

ancorata, [188].

mirabilis, [189].

quadricuspis, [189].

tricuspis, [188].

triserrata, [188].

Hexapitys, [189].