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

haeckelii, [961].

hexastoma, [960].

sexangulum, [960].

signatorium, [961].

Semantis, [956].

biforis, [956].

dipyla, [957].

distephanus, [957].

distoma, [957].

sigillum, [957].