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

Triospyridium, [1032].

Triospyris, [1030].

Triospyrium, [1030].

Triostephida, [967].

Triostephus, [983].

Tripilidium, [1140].

cladopodium, [1142].

clavatum, [1141].

cortina, 1140,

costatum, [1141].