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

tetrapylifer, [626].

Larnacostupa, [627].

dendrophora, [627].

octacantha, [627].

spinosa, [627].

Leptarachnium, [1248].

aurelia, [1248].

Leptosphæra, [244].

ciliata, [245].

hexagonalis, [244].