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

Tridictyopus, [1145].

conulus, [1145].

elegans, [1145].

vatillum, [1145].

Trigonactinium, [472].

Trigonactura, [471].

lanceolata, [472].

pythagoræ, [471].

rhopalastrella, [471].

triacantha, [472].