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

tetras, [597].

Spongasteriscus, [594].

armatus, [595].

clavatus, [595].

furcatus, [595].

mucronatus, [595].

myelastrum, [596].

ovatus, [594].

quadricornis, [596].

tetraceros, [596].