Subset of volvocalean green algae (and Volvox carteri mutant forms – L, M, N). In the species where two cell types can be identified, the smaller cells are the sterile (somatic) cells and the larger are the reproductive (gonidia) cells. A. Chlamydomonas reinhardtii. B. Volvox rousseletti. C. Gonium pectorale. D. Volvox aureus. E. Eudorina elegans. F. Volvox tertius. G. Pleodorina californica. H. Volvox obversus. I, J, and K. Volvox carteri. L. V. carteri regA^-. M. V. carteri lag^-.. N. V. carteri gls^-/regA^- .