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

spinosa, [1048].

Hexastylarium, [177].

elongatum, [178].

heteraxonium, [177].

quadratum, [178].

Hexastylida, [171].

Hexastylidium, [178].

rhomboides, [178].

spirale, [179].

Hexastylus, [171].