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

lentiformis, [425].

rotula, [424].

Phacostaurium, [435].

Phacostaurus, [435].

magnificus, [436].

oceanidum, [435].

pyramidalis, [465].

quadrigatus, [436].

Phacostylium, [430].

Phacostylus, [430].