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

nucula, [1717].

Conchasma, [1718].

hibburites, [1719].

radiolites, [1719].

sphærulites, [1719].

Conchasmida, [1716].

Conchellium, [1720].

hippopus, [1720].

tridacna, [1720].

Conchidium, [1721].