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

medusinus, [965].

quadrifurcus, [965].

quadrigatus, [965].

tetrapodius, [965].

Stephanium, [952].

quadrupes, [952].

tetrapus, [952].

Stephanolithia, [953].

mülleri, [959].

spinescens, [958].