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

cyrtoceras, [1470].

distichus, [1469].

hexagonalis, [1475].

hexastichus, [1470].

leptoceras, [1471].

lithobotrys, [1475].

macroceras, [1471].

microporus, [1474].

monostichus, [1469].

pentastichus, [1470].