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

longicornis, [1370].

quadrata, [1369].

Phormosphæra, [61].

Phormospyrida, [1084].

Phormospyris, [1076].

tricostata, [1087].

tridentata, [1087].

trifoliata, [1087].

Phorticida, [708].

Phorticium, [709].