Collozoidae, [85]

Collozoum, [77];

C. inerme, [76]

Collyritidae, [559]

Colobocentrotus, [532], [542]

Colonial, cells, [31];

Protista, [31]

Colony, [31];

of Collozoum inerme, [76];

-formation in Polycyttarian Radiolaria, [84] f.;