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

tetradiscus, [592].

tetras, [597].

trigona, [593].

Dictyocryphalus, [1308].

Dictyomitra, [1476].

articulata, [1476].

conica, [1477].

costata, [1478].

demersissima, [1478].

ehrenbergii, [1422].