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

terpsichore, [137].

testudo, [325].

thalia, [137].

urania, [134].

Stylosphærida, [121].

Stylospira, [512].

arachnia, [513].

dujardinii, [513].

heliospira, [512].

Stylospongia, [584].