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

staurocodon, [1670].

Euphysettida, [1666].

Euscenarium, [1146].

Euscenidium, [1147].

Euscenium, [1146].

archicyrtis, [1146].

furcatum, [1147].

hemisphæricum, [1147].

plectaniscus, [1146].

quadratum, [1148].