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

binonaria, [1557].

bisoctona, [1557].

circulus, [1555].

crenulata, [1555].

diodon, [1555].

elliptica, [1556].

heptagona, [1557].

hexagona, [1556].

nonaria, [1557].

octogona, [1557].