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

Ommatodiscida, [500].

Ommatodiscus, [500].

circularis, [501].

decipiens, [500].

fragilis, [502].

haeckelii, [501].

lævigatus, [502].

stöhrii, [501].

Ommatogramma, [519].

navicularis, [519].