(en) WB Whitman, Bergey's Manual of Systematic Bacteriology Volume 1: The Archaea and the deeply branching and phototrophic Bacteria, New York, Springer Verlag, (ISBN978-0-387-98771-2), « Genus I. Methanocaldococcus gen. nov. »
(en) Whitman WB, Boone DR, Koga Y, Bergey's Manual of Systematic Bacteriology Volume 1: The Archaea and the deeply branching and phototrophic Bacteria, New York, Springer Verlag, (ISBN978-0-387-98771-2), « Family II. Methanocaldococcaceae fam. nov. »