Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Spicula all simple rods, straight cylindrical, obtuse on both ends, thorny with numerous small spines, placed vertically on the rods.

Dimensions.—Diameter of the central capsule 0.08 to 0.1, length of the spicula 0.05 to 0.2.

Habitat.—Mediterranean, Nice, J. Müller; Messina, Haeckel; Naples, Brandt; surface.

3. Belonozoum italicum, Haeckel.

Sphærozoum italicum, Haeckel, 1862, Monogr. d. Radiol., p. 526, Taf. xxxiii. figs. 1, 2.

Spicula all simple rods, more or less curved or bent, pointed at both ends, quite smooth. Central capsule with a variable number (commonly five to twenty) of oil-globules.

Dimensions.—Diameter of the central capsule 0.1 to 0.3, length of the spicula 0.05 to 0.2.

Habitat.—Mediterranean, Nice, Naples, Messina, Haeckel, surface.

4. Belonozoum atlanticum, n. sp.

Sphærozoum atlanticum, Haeckel, 1881, Manuscript.