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

Pentasolenia, [113].

Pentaspyrida, [1052].

Pentaspyris, [1054].

isacantha, [1055].

pentacantha, [1054].

Pentinastrum, [557].

asteriscus, [557].

goniaster, [558].

Pentoniscus, [488].

Pentophiastrum, [558].