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

Hymeniastrum, [530].

archimedis, [531].

euclidis, [531].

gümbelii, [530].

koellikeri, [530].

leydigii, [530].

pythagoræ, [531].

ternarium, [531].

trigonarium, [532].

Hystrichasparium, [822].