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

pyramidalis, [1238].

pyriformis, [1238].

quadricornis, [1239].

Tetralacorys, [1370].

Tetraphormis, [1243].

Tetraplagia, [911].

abietina, [912].

geometrica, [911].

phænaxonia, [911].

Tetraplagida, [941].