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

prismatica, [623].

quadricornis, [622].

stauracantha, [622].

Larnacida, [614].

Larnacidium, [618].

hexabelonium, [619].

polybelonium, [619].

staurobelonium, [619].

Larnacilla, [617].

medullaris, [618].