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

tetraptera, [787].

violina, [787].

Amphilonchida, [781].

Amphilonchidium, [785].

Amphiplecta, [1223].

acrostoma, [1223].

amphistoma, [1223].

callistoma, [1224].

Amphipyle, [641].

aceros, [641].