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

paradoxum, [1102].

Parastephanus, [1008].

asymmetricus, [1008].

circularis, [1008].

dispar, [1009].

quadrispinus, [1008].

Parastephida, [987].

Paratympanida, [1004].

Paratympanum, [1005].

decastylum, [1005].