Hess, H. H. History of Ocean Basins(PDF). A. E. J. Engel, Harold L. James, and B. F. Leonard (编). Petrologic studies: a volume in honor of A. F. Buddington. Boulder, CO: Geological Society of America. November 1, 1962: 599–620 [2017-07-31]. (原始内容存档(PDF)于2016-07-05).
Department of Paleobiology. Catalog Number - USNM SD 59154.0000. Smithsonian, National Museum of Natural History. Smithsonian Institution. 2010-12-03. (原始内容存档于2011-07-20).
Department of Paleobiology. Catalog Number - USNM SD 59154.0000. Smithsonian, National Museum of Natural History. Smithsonian Institution. 2010-12-03. (原始内容存档于2011-07-20).
Hess, H. H. History of Ocean Basins(PDF). A. E. J. Engel, Harold L. James, and B. F. Leonard (编). Petrologic studies: a volume in honor of A. F. Buddington. Boulder, CO: Geological Society of America. November 1, 1962: 599–620 [2017-07-31]. (原始内容存档(PDF)于2016-07-05).