(en) C. M. Preston, K. Y. Wu, T. F. Molinski et E. F. DeLong, « A psychrophilic crenarchaeon inhabits a marine sponge: Cenarchaeum symbiosum gen. nov., sp. nov », Proceedings of the National Academy of Sciences of the United States of America, vol. 93, no 13, , p. 6241-6246 (lire en ligne)DOI10.1073/pnas.93.13.6241PMID8692799