cladococcus cladococcus cladococcus is a genus of radiolarians. cladococcus scientific classification domain: eukaryota clade: diaphoretickes clade: sar phylum: retaria class: polycystina order: spumellaria family: actinommidae genus: cladococcus species see text species cladococcus abietinus haeckel, 1887 cladococcus cervicornis haeckel, 1860 cladococcus leptus hülsemann, 1963 cladococcus megaceros boltovskoy & riedel, 1980 cladococcus scoparius haeckel, 1887 cladococcus viminalis haeckel, 1860